JP4075293B2 - Coumarin compound and method for producing the same - Google Patents
Coumarin compound and method for producing the same Download PDFInfo
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- JP4075293B2 JP4075293B2 JP2000228825A JP2000228825A JP4075293B2 JP 4075293 B2 JP4075293 B2 JP 4075293B2 JP 2000228825 A JP2000228825 A JP 2000228825A JP 2000228825 A JP2000228825 A JP 2000228825A JP 4075293 B2 JP4075293 B2 JP 4075293B2
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- Prior art keywords
- group
- general formula
- atom
- optionally substituted
- alkyl group
- Prior art date
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- -1 Coumarin compound Chemical class 0.000 title claims description 40
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N benzo-alpha-pyrone Natural products C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 title claims description 19
- 229960000956 coumarin Drugs 0.000 title claims description 18
- 235000001671 coumarin Nutrition 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 24
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 19
- 125000001424 substituent group Chemical group 0.000 claims description 17
- 125000003545 alkoxy group Chemical group 0.000 claims description 12
- 125000005843 halogen group Chemical group 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 125000004104 aryloxy group Chemical group 0.000 claims description 7
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 7
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 7
- 125000001072 heteroaryl group Chemical group 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 125000004434 sulfur atom Chemical group 0.000 claims description 6
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 150000004775 coumarins Chemical class 0.000 claims description 5
- 239000012442 inert solvent Substances 0.000 claims description 5
- 125000003277 amino group Chemical group 0.000 claims description 4
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 4
- 125000001624 naphthyl group Chemical group 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 4
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 claims description 4
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims description 4
- 125000000547 substituted alkyl group Chemical group 0.000 claims description 4
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 3
- 125000003107 substituted aryl group Chemical group 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 150000008065 acid anhydrides Chemical class 0.000 claims description 2
- 150000004820 halides Chemical class 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 125000004436 sodium atom Chemical group 0.000 claims description 2
- 125000005415 substituted alkoxy group Chemical group 0.000 claims description 2
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims 1
- 125000002541 furyl group Chemical group 0.000 claims 1
- 125000004076 pyridyl group Chemical group 0.000 claims 1
- 125000001544 thienyl group Chemical group 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 43
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 239000002904 solvent Substances 0.000 description 15
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 11
- 239000000975 dye Substances 0.000 description 10
- 239000007850 fluorescent dye Substances 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 238000004040 coloring Methods 0.000 description 6
- 239000012043 crude product Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 239000008188 pellet Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 238000004440 column chromatography Methods 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 125000001153 fluoro group Chemical group F* 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 125000001309 chloro group Chemical group Cl* 0.000 description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 4
- 238000002189 fluorescence spectrum Methods 0.000 description 4
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- 229920005506 ACRYPET® MD Polymers 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 3
- 238000000862 absorption spectrum Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 3
- 125000000332 coumarinyl group Chemical group O1C(=O)C(=CC2=CC=CC=C12)* 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- DZFWNZJKBJOGFQ-UHFFFAOYSA-N julolidine Chemical group C1CCC2=CC=CC3=C2N1CCC3 DZFWNZJKBJOGFQ-UHFFFAOYSA-N 0.000 description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 150000007530 organic bases Chemical class 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 238000000859 sublimation Methods 0.000 description 3
- 230000008022 sublimation Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 description 2
- RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 description 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 229940117389 dichlorobenzene Drugs 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 150000007529 inorganic bases Chemical class 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- PSHKMPUSSFXUIA-UHFFFAOYSA-N n,n-dimethylpyridin-2-amine Chemical compound CN(C)C1=CC=CC=N1 PSHKMPUSSFXUIA-UHFFFAOYSA-N 0.000 description 2
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 0 *Cc1c(*)c(*)c(*)c(*2)c1N=C2[C@](C(*)c(cc1c2c3C(*)(*)CCN2CCC1*)c3O1)C1=N** Chemical compound *Cc1c(*)c(*)c(*)c(*2)c1N=C2[C@](C(*)c(cc1c2c3C(*)(*)CCN2CCC1*)c3O1)C1=N** 0.000 description 1
- JVSFQJZRHXAUGT-UHFFFAOYSA-N 2,2-dimethylpropanoyl chloride Chemical compound CC(C)(C)C(Cl)=O JVSFQJZRHXAUGT-UHFFFAOYSA-N 0.000 description 1
- SZBKCQKJQAYJJN-UHFFFAOYSA-N 4-chloro-1,1,1,2,2,3,3-heptafluorobutane Chemical compound FC(F)(F)C(F)(F)C(F)(F)CCl SZBKCQKJQAYJJN-UHFFFAOYSA-N 0.000 description 1
- CFNMUZCFSDMZPQ-GHXNOFRVSA-N 7-[(z)-3-methyl-4-(4-methyl-5-oxo-2h-furan-2-yl)but-2-enoxy]chromen-2-one Chemical compound C=1C=C2C=CC(=O)OC2=CC=1OC/C=C(/C)CC1OC(=O)C(C)=C1 CFNMUZCFSDMZPQ-GHXNOFRVSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- 125000005110 aryl thio group Chemical group 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 125000004651 chloromethoxy group Chemical group ClCO* 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- DOBRDRYODQBAMW-UHFFFAOYSA-N copper(i) cyanide Chemical compound [Cu+].N#[C-] DOBRDRYODQBAMW-UHFFFAOYSA-N 0.000 description 1
- 125000004986 diarylamino group Chemical group 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- 125000004705 ethylthio group Chemical group C(C)S* 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001215 fluorescent labelling Methods 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 125000005462 imide group Chemical group 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- JEHCHYAKAXDFKV-UHFFFAOYSA-J lead tetraacetate Chemical compound CC(=O)O[Pb](OC(C)=O)(OC(C)=O)OC(C)=O JEHCHYAKAXDFKV-UHFFFAOYSA-J 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 1
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000005186 naphthyloxy group Chemical group C1(=CC=CC2=CC=CC=C12)O* 0.000 description 1
- 125000005029 naphthylthio group Chemical group C1(=CC=CC2=CC=CC=C12)S* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000005385 peroxodisulfate group Chemical group 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 125000003356 phenylsulfanyl group Chemical group [*]SC1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は、蛍光性色素として有用なクマリン系化合物及びその製造方法に関するものである。
【0002】
【従来の技術】
従来、蛍光性色素は、樹脂、染料、インクなどの種々の材料の着色に利用されているが、近年その蛍光効率を利用して、薄膜発光素子等の電子機器分野への用途が開発されている。蛍光性色素については種々の構造及び発光色の色素が知られているが、特に電子機器分野等で要求される黄色〜赤色に高輝度で発光し、さらに堅牢性、溶解性等の優れた化合物は少ない。
【0003】
例えば、Dyes and Pigment 1(1980)3-15には、下記の構造を有する2つのクマリン系化合物が報告されている。
【0004】
【化7】
【0005】
上記化合物の蛍光スペクトルのλmaxは、化合物(VI−a)は520nm、化合物(VI−b)は635nmであるが、より長波長の蛍光を有する化合物(VI−b)は溶媒への溶解性がよくないという欠点を有する。また、これら化合物の蛍光発光の色純度が低く、かつ発光強度も満足ゆくものでなかった。
また、特開平6−9952、特開平6−9892には下記構造を有するクマリン系化合物が記載されている。
【0006】
【化8】
【0007】
上記化合物(VII)は強い蛍光を有しているが、蛍光は緑色である。
さらに、DE2234207には下記構造を有するクマリン系化合物(VIII)が報告されているが、蛍光性については報告されていない。。
【0008】
【化9】
【0009】
【発明が解決しようとする課題】
かかる事情を鑑み、蛍光性色素化合物においては、鮮明な黄色〜赤色を示し、かつ優れた発光性能を有する新規な色素の開発が求められている。
本発明は、堅牢性、溶解性、発光効率などの特性の優れた新規蛍光性色素の提供を目的とするものである。
【0010】
【課題を解決するための手段】
本発明者等は、鋭意検討を重ねた結果、上記構造式(VII)で示されるクマリン系化合物の、カルボニル基をイミド基に変え、また上記構造式(VIII)のクマリン系化合物にジュロリジン環を導入することにより、優れた性能を有する蛍光性色素が得られることを見出し、本発明を達成した。
【0011】
即ち、本発明の要旨は、下記一般式(I)で示されるクマリン系化合物に存する。
【0012】
【化10】
【0013】
(式中、R1、R2、R3及びR4は、各々独立に、水素原子又は炭素数1〜4のアルキル基を表し、R5は水素原子またはシアノ基を表し、R6は置換基を有していても良いアルキル基、アリール基、ヘテロアリール基を表し、R7〜R10は任意の置換基を表し、隣接する2つの基で環を形成していても良い。Xは−CO−又は−SO2−基を表し、Yは酸素原子、イオウ原子、−NH−または−NR11−基を表し、R11はアルキル基またはシクロアルキル基を表す。)
本発明はまた、一般式(I)の化合物からなる色素及びその製造方法にも関する。
【0014】
【発明の実施の形態】
以下、本発明を詳細に説明する。
本発明の化合物は前記一般式(I)で示される構造を有するものであって、
クマリン骨格にイミドを有し、かつジュロリジン環を有する化合物であり、ジュロリジン環を有するイミド型のクマリン系蛍光性色素は未だ知られておらず新規な色素である。
【0015】
一般式(I)に於いて、R1、R2、R3及びR4は、それぞれ同じ又は異なっていてもよく、水素原子または炭素数1〜4のアルキル基を示し、好ましくは水素原子またはメチル基であり、より好ましくはR1〜R4全てがメチル基である。
R5は水素原子またはシアノ基を表し、水素原子、シアノ基ともに好ましい。一般式(I)において、R6が置換していても良いアルキル基を表す場合、アルキル基としては、メチル基、エチル基、n−プロピル基、i−プロピル基、n−ブチル基、i−ブチル基、s−ブチル基、t−ブチル基、n−ペンチル基、ネオペンチル基、n−ヘキシル基、n−ヘプチル基、n−オクチル基、2−エチルヘキシル基等の炭素数1〜8、好ましくは1〜4の直鎖または分岐のアルキル基が挙げられる。置換基としては、ハロゲン原子、アルコキシ基、アルコキシカルボニル基等が挙げられる。置換基がハロゲン原子の場合、例えば塩素原子、臭素原子、フッ素原子、ヨウ素原子が挙げられ、中でもフッ素原子が好ましい。置換基がアルコキシ基である場合、炭素数1〜8、好ましくは炭素数1〜4のアルコキシ基が挙げられ、アルコキシ置換アルキル基として総炭素数が1〜8が好ましい。置換基がアルコキシカルボニル基である場合、総炭素数等は上記アルコキシ基に準ずるものが好ましい。
【0016】
R6が置換していても良いアリール基を表す場合は、ベンゼン環あるいは、ナフタレン環を有する基が好ましい。具体的には、置換基としてハロゲン原子、置換していても良いアルキル基、アルコキシ基等を有していても良いフェニル基、ナフチル基が挙げられる。置換基がハロゲン原子の場合、例えば塩素原子、臭素原子、フッ素原子、ヨウ素原子が挙げられ、中でも塩素原子、臭素原子、フッ素原子が好ましい。置換基がアルキル基の場合、アルキル基としては上述の如き炭素数1〜8、好ましくは1〜4の直鎖又は分岐のアルキル基が挙げられる。置換基がアルコキシ基である場合、炭素数1〜8、好ましくは炭素数1〜4のアルコキシ基が挙げられ、アルコキシ置換アルキル基として総炭素数が1〜8が好ましい。またナフタレン環のクマリン骨格への置換位置は特に限定されない。
【0017】
R6が置換していても良いヘテロアリール基を表す場合、ヘテロアリール環としては5〜7員環の複素環が挙げられるが、中でもチオフェン環、フラン環、ピリジン環が好ましい。クマリン骨格への置換位置は特に限定されないが、チオフェン環、フラン環は2−位の位置が好ましい。置換基としては上記ベンゼン環に準ずるものが挙げられるが、特に無置換又はハロゲン原子で置換されたヘテロアリール基が好ましい。
【0018】
R6として特に好ましくは、炭素数1〜4のアルキル基、フルオロアルキル基、アルコキシカルボニル基、フェニル基である。
一般式(I)に於いて、R7〜R10は任意の置換基を表し、隣接する二つの基で環を形成してもよい。任意の置換基としては、水素原子、ハロゲン原子、シアノ基、ニトロ基、置換してもよいアミノ基、水酸基、置換しても良いアルコキシ基、置換しても良いアリールオキシ基、置換してもよいチオール基、置換してもよいシリル基、置換してもよいシロキシ基、置換してもよいアルキル基、置換しても良いアリール基または置換してもよいカルボニル基を表す。
【0019】
具体的には、ハロゲン原子としては、フッ素原子、塩素原子、臭素原子等が挙げられる。置換しても良いアミノ基としては、アミノ基の他に、ジメチルアミノ基、ジエチルアミノ基、ジイソプロピルアミノ基等のジ低級アルキルアミノ基、ジフェニルアミノ基、ジナフチルアミノ基等のジアリールアミノ基等が挙げられる。置換してもよいアルコキシ基としては、メトキシ基、エトキシ基、イソプロポキシ基、t−ブチルオキシ基等の直鎖もしくは分岐鎖を有するアルコキシ基の他に、クロロメトキシ基等のハロゲン化アルコキシ基、メトキシメトキシ基等のアルコキシ置換アルコキシ基、ベンジロキシ基等のアリール置換アルコキシ基、ヒドロキシメトキシ基等の水酸基置換アルコキシ基等が挙げられる。置換してもよいアリールオキシ基としては、フェノキシ基、ナフチルオキシ基等のアリールオキシ基の他に、クロロフェニルオキシ基等のハロゲン化アリールオキシ基、メトキシフェニルオキシ基等のアルコキシ置換アリールオキシ基、メチルフェニルオキシ基等のアルキル置換アリールオキシ基等が挙げられる。置換してもよいチオール基としては、チオール基の他に、メチルチオ基、エチルチオ基、イソプロピルチオ基、t−ブチルチオ基等のアルキルチオ基、フェニルチオ基、ナフチルチオ基等のアリールチオ基等が挙げられる。置換してもよいシリル基としては、トリメチルシリル基、トリメトキシシリル基、tーブチルジメチルシリル基、t−ブチルジフェニルシリル基等の低級アルキル基、アルコキシ基又はアリール基で置換されたシリル基が挙げられる。置換しても良いシロキシ基としては、トリメチルシリルオキシ基、トリメトキシシリルオキシ基、t−ブチルジメチルシリルオキシ基、t−ブチルジフェニルシリルオキシ等の低級アルキル基又はアリール基で置換されたシロキシ基が挙げられる。置換してもよいアルキル基としては、メチル基、エチル基、n−プロピル基、イソプロピル基、t−ブチル基、n−ヘキシル基、n−オクチル基等の炭素数1〜8の直鎖又は分岐のアルキル基の他に、トリフルオロメチル基等のハロゲン化アルキル基、ベンジル基等のアリール置換アルキル基、メトキシメチル基等のアルコキシアルキル基等が挙げられる。置換しても良いカルボニル基としては、カルボン酸基のように水酸基置換のカルボニル基、メトキシカルボニル基、エトキシカルボニル基等のアルコキシ置換カルボニル基、ベンゾイル基等のアリール置換カルボニル基等が挙げられる。
【0020】
R7〜R10のうち、好ましくは水素原子、置換してもよいアルキル基、または置換してもよいアルコキシ基であるのが望ましく、最も好ましいのはR9〜R10全てが水素原子である場合である。
Xは、−CO−又は−SO2−を表わし、中でも−CO−が好ましい。
Yは、酸素原子、イオウ原子、−NH−あるいは−NHR11 −基(ただし、R11はアルキル基またはシクロアルキル基である)を表わし、好ましくは、酸素原子またはイオウ原子である場合である。
【0021】
これら説明した中でも、一般式(I)で示されるクマリン系化合物で最も好ましいものは、R1〜R4が全てメチル基であり、R7〜R10が全て水素原子であり、Yは酸素原子またはイオウ原子であり、かつXが−CO−である化合物である。
一般式(I)で示される本発明化合物の具体例を下記の表−1に示すが、本発明化合物はこれらに限定されるものではない。
【0022】
【表1】
【0023】
【表2】
【0024】
【表3】
【0025】
【表4】
【0026】
【表5】
【0027】
【表6】
【0028】
【表7】
【0029】
【表8】
【0030】
【表9】
【0031】
【表10】
【0032】
【表11】
【0033】
【表12】
【0034】
【表13】
【0035】
【表14】
【0036】
【表15】
【0037】
【表16】
【0038】
【表17】
(注)表−1中、Meはメチル基、Etはエチル基、t−Buはターシャリーブチル基を、Phはフェニル基を表わす。
【0039】
一般式(I)で示される本発明の化合物は、例えば下式に従って製造することができる。
【0040】
【化11】
【0041】
(式中、R1〜R4、R6〜R10、Yは前記一般式(I)と同じ意味を有し、R 5 は水素原子を表し、Zはハロゲン原子を表し、Mは水素原子、ナトリウム原子、カリウム原子または銅原子を表す。)
すなわち、式(II)においてR5が水素原子であるクマリン誘導体を、式(III)で示される酸ハロゲン化物または式(IV)で示される酸無水物と反応させて一般式(I−a)の化合物を得る。なお、式( II )の原料化合物は、それ自体既知の方法、例えば Dyes and Pigment 13(1980)167-175 、 Chemistry & Industry 2 October 1989 653-654 に記載の方法に従って合成できる。
【0042】
反応は通常、不活性溶媒中で実施される。使用される不活性溶媒としては、N,N−ジメチルホルムアミド、N−メチルピロリドン、ジメチルスルホキシド、クロロベンゼン、ジクロロベンゼン、トリクロロベンゼン、ニトロベンゼン、メチルセロソルブ、エチルセロソルブ、テトラヒドロフラン、トルエンまたはキシレンなどが挙げられる。反応は塩基の存在下で実施されるが、溶媒が塩基を兼ねても良い。塩基性溶媒としては、ピリジン、トリエチルアミン、ジメチルアミノピリジン等が挙げられ、ピリジンが好適である。溶媒の使用量は、上記の化合物(II)に対して通常5〜50重量倍、好ましくは5〜20重量倍程度が良い。
【0043】
無溶媒あるいは塩基以外の溶媒を用いる場合、反応は適当な無機あるいは有機塩基の存在下で実施される。無機塩基としては、炭酸ナトリウム、炭酸カリウム、炭酸リチウム、炭酸水素ナトリウム等の炭酸塩、水酸化リチウム、水酸化ナトリウム、水酸化カリウム等の水酸化物などが挙げられる。有機塩基としては、ピリジン、トリエチルアミン、ジメチルアミノピリジン、イミダゾール、ジエチルアミン、ピペラジン、ピロール、ピロリジン等が挙げられる。また、ナトリウムメチラート、ナトリウムエチラート等のアルコラート等も使用できる。前述のように液体有機塩基のうち、ピリジンを溶媒としても使用することが好適である。溶媒として使用しない場合は、炭酸ナトリウム、水酸化ナトリウム、イミダゾール等が好適である。この塩基の使用量は、式(II)の化合物に対して、0.9〜10倍モルの範囲で良いが、好ましくは、0.9〜3倍モル程度が適当である。
【0044】
反応温度は0℃から200℃の範囲、好ましくは0℃〜100℃であり、反応時間は0.5〜48時間程度である。
反応終了後、反応液を冷却し、析出した結晶を濾過し、メタノールまたは水で洗浄し乾燥すれば目的物である(I−a)が得られる。また、冷却しても晶出しない場合には、反応液をメタノールか水に放出し、析出した結晶を濾過し、メタノールまたは水で洗浄し乾燥すれば目的物が得られる。メタノールか水に放出しても析出しない場合には、酢酸エチル、ジクロロメタン等で抽出し、洗浄、乾燥、濃縮すれば良い。生成物は懸洗、再結晶、カラムクロマトグラフィーまたは昇華精製により精製すれば良い。
【0045】
得られた上記一般式(I−a)で示される化合物を、不活性溶媒中で一般式(V)で示されるシアン化合物と反応させ、さらに酸化剤で処理することにより、一般式(I−b)を製造することができる。
使用される不活性溶媒としては、N,N−ジメチルホルムアミド、N−メチルピロリドン、ジメチルスルホキシド、クロロベンゼン、ジクロロベンゼン、トリクロロベンゼン、ニトロベンゼン、メチルセロソルブ、エチルセロソルブ、テトラヒドロフラン、トルエンまたはキシレンなどが挙げられるが、これらのうち、N,N−ジメチルホルムアミド(DMF)が好適である。溶媒の使用量は、一般式(I−a)のクマリン系化合物に対して通常2〜100重量倍、好ましくは5〜50重量倍程度が良い。
【0046】
一般式(V)のシアン化合物としては、具体的にはシアン化ナトリウム、シアン化カリウム、シアン化銅、シアン化水素が挙げられるが、これらのうち、シアン化ナトリウム、シアン化カリウムが好適である。これらのシアン化合物の使用量は、一般式(I−a)の化合物に対して1〜10倍モルの範囲、好ましくは1〜4倍モル程度が良い。
【0047】
反応温度は、−78〜300℃の範囲、好ましくは0〜50℃の範囲であり、反応時間は5分から10時間程度である。
シアン化合物との反応物は、酸化剤で処理されるが、用いられる酸化剤としては、塩素、臭素、ヨウ素等のハロゲン単体、四酢酸鉛、アルカリ−ペルオキソ二硫酸塩等の過酸化物が挙げられる。これらのうち、臭素あるいはペルオキソ二硫酸塩が好適である。これら酸化剤の使用量は、一般式(I−a)のクマリン系化合物に対して、0.9〜10倍モル、好ましくは0.95〜1.2倍モル程度である。
【0048】
酸化剤処理の温度は、−78〜300℃の範囲、好ましくは0〜50℃の範囲であり、処理時間は5分から10時間程度である。
反応終了後、反応液を冷却し、析出した結晶を濾過し、メタノールまたは水で洗浄し乾燥すれば目的物である(I−b)が得られる。また、冷却しても晶出しない場合には、反応液をメタノールか水に放出し、析出した結晶を濾過し、メタノールまたは水で洗浄し乾燥すれば目的物が得られる。メタノールか水に放出しても析出しない場合には、酢酸エチル、ジクロロメタン等で抽出し、洗浄、乾燥、濃縮すれば良い。生成物は懸洗、再結晶、カラムクロマトグラフィーまたは昇華精製により精製すれば良い。
【0049】
一般式(I)で示される本発明のクマリン系化合物は、水不溶性の色素として用いるのが好ましく、各種樹脂、塗料、インクなどの着色、繊維の染色の他に、色素レーザ、有機EL(有機電界発光)素子、蛍光標識試薬、蛍光コレクタ、蛍光センサ、シンチレータ、光ファイバ用増幅器などの色素に好適で、特に樹脂の着色用又は有機EL素子用などに使用される蛍光性色素として工業的に極めて有用である。
【0050】
【実施例】
以下に実施例を挙げて本発明を具体的に説明するが、本発明はその要旨を超えない限りこれらに限定されるものではない。なお、以下の実施例における化合物のNo.は表−1の化合物のNo.に対応する。
(実施例1) 表−1 化合物No.28の合成
下記式(II−a)の化合物0.5g(1.2mmol)
【0051】
【化12】
【0052】
のピリジン7.5ml溶液にヘプタフルオロ−n−ブチルクロライド0.41g(1.7mmol)を加え、室温で1時間反応させた。反応液に水を加え、析出した結晶を濾過し、0.61gの粗生成物を得た。得られた粗生成物をカラムクロマトグラフィーによる精製と昇華精製を行い、0.08gの固体を得た。この化合物は鮮明な黄色の蛍光を示した。
【0053】
得られた固体の分析結果は次の通りであり、表−1のNo.28の構造の化合物であることが確認された。
【0054】
【表18】
MS:m/z 625
1H−NMR(CDCl3 (δ=ppm)):
1.33(s,6H),1.59(s,6H),1.80(dt,4H),3.40(dt,4H),7.36(t,1H),7.39(s,1H),7.96(d,1H),8.02(d,1H),9.10(s,1H)
吸収スペクトル:λmax 526nm(溶媒:塩化メチレン)
蛍光スペクトル:λmax 556nm(溶媒:塩化メチレン)
【0055】
(実施例2) 表−1 化合物No.13の合成
前記式(II−a)の化合物0.4g(0.9mmol)のピリジン5.6ml溶液にピバロイルクロライド0.17g(1.4mmol)を加え、室温で2時間反応させた。反応液に水を加え、析出した結晶を濾過し、0.54gの粗生成物を得た。得られた粗生成物を2回カラムクロマトグラフィーによる精製を行い、0.23gの固体を得た。この化合物は鮮明な黄緑色の蛍光を示した。
【0056】
得られた固体の分析結果は次の通りであり、表−1のNo.13の構造の化合物であることが確認された。
【0057】
【表19】
MS:m/z 513
1H−NMR(CDCl3 (δ=ppm)):
1.30(s,6H),1.37(s,9H),1.49(s,6H),1.80(dt,4H),3.28(dt,4H),7.24(s,1H),7.34(t,1H),7.46(t,1H),7.94(d,1H),8.02(d,1H),8.71(s,1H)
吸収スペクトル:λmax 488nm(溶媒:塩化メチレン)
蛍光スペクトル:λmax 529nm(溶媒:塩化メチレン)
【0058】
(実施例3) 表−1 化合物No.109の合成
実施例2で得られた化合物0.05g(0.1mmol)のDMF1ml溶液にシアン化ナトリウム0.005g(0.1mmol)を加え、室温で1時間攪拌した。アルオキソ二硫酸カリウム0.028g(0.1mmol)を加え、さらに室温で3時間反応させた。反応液に水を加え、酢酸エチルで抽出し、有機層を水洗、乾燥し、濃縮して粗生成物として0.06gを得た。得られた粗生成物をカラムクロマトグラフィーによる精製を行い、0.02gの固体を得た。この化合物は赤色の鮮明な蛍光を示した。
【0059】
得られた固体の分析結果は次の通りであり、表−1のNo.109の構造の化合物であることが確認された。
【0060】
【表20】
MS:m/z 538
1H−NMR(CDCl3 (δ=ppm)):
1.34(s,6H),1,35(s,9H),1.75(s,6H),1.80(dt,4H),3.34(dt,4H),7.41(t1H),7.51(t,1H),7.65(s,1H),7.94(d,1H),8.08(d,1H)
吸収スペクトル:λmax 565nm(溶媒:塩化メチレン)
蛍光スペクトル:λmax 630nm(溶媒:塩化メチレン)
【0061】
(実施例4) 表−1 化合物No.28による樹脂の着色
実施例1で製造された化合物0.05gをポリメチルメタクリレート(「アクリペットMD」三菱レーヨン株式会社製品)100gに混合し、押し出し機を用いて200℃で処理し、着色ペレットを作成した。このペレットを射出成形機で200℃×5分間で成形し、着色成形板を作成した。
【0062】
得られた着色板は強い蛍光性の黄色を示し、耐光性、耐移行性が優れていた。また射出成型の際、250℃で10分間滞留させたこと以外は上記と同様に成形した着色板の色調は、200℃×5分間で成形した着色板と同じ色調を示し、色素の熱分解による変化はなかった。
(実施例5) 表−1 化合物No.13による樹脂の着色
実施例2で製造された化合物0.05gをポリメチルメタクリレート(「アクリペットMD」三菱レーヨン株式会社製品)100gに混合し、押し出し機を用いて200℃で処理し、着色ペレットを作成した。このペレットを射出成形機で200℃×5分間で成形し、着色成形板を作成した。
【0063】
得られた着色板は強い蛍光性の黄色を示し、耐光性、耐移行性が優れていた。また射出成型の際、250℃で10分間滞留させたこと以外は上記と同様に成形した着色板の色調は、200℃×5分間で成形した着色板と同じ色調を示し、色素の熱分解による変化はなかった。
(実施例6) 表−1 化合物No.109による樹脂の着色
実施例3で製造された化合物0.05gをポリメチルメタクリレート(「アクリペットMD」三菱レーヨン株式会社製品)100gに混合し、押し出し機を用いて200℃で処理し、着色ペレットを作成した。このペレットを射出成形機で200℃×5分間で成形し、着色成形板を作成した。
【0064】
得られた着色板は強い蛍光性の赤色を示し、耐光性、耐移行性が優れていた。また射出成型の際、250℃で10分間滞留させたこと以外は上記と同様に成形した着色板の色調は、200℃×5分間で成形した着色板と同じ色調を示し、色素の熱分解による変化はなかった。
【0065】
【発明の効果】
本発明のクマリン系化合物は、発光輝度が高く、堅牢性の良好な新規な蛍光性色素化合物であり、蛍光性色素の種々の用途に利用でき、極めて有用である。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a coumarin compound useful as a fluorescent dye and a method for producing the same.
[0002]
[Prior art]
Conventionally, fluorescent pigments have been used for coloring various materials such as resins, dyes, and inks. Recently, applications in the field of electronic devices such as thin-film light-emitting elements have been developed using the fluorescence efficiency. Yes. As fluorescent dyes, dyes having various structures and luminescent colors are known. Particularly, compounds that emit light with high brightness from yellow to red, which are required particularly in the field of electronic equipment, and have excellent fastness and solubility. There are few.
[0003]
For example, in Dyes and Pigment 1 (1980) 3-15, two coumarin compounds having the following structure are reported.
[0004]
[Chemical 7]
[0005]
Λmax of the fluorescence spectrum of the above compound is 520 nm for the compound (VI-a) and 635 nm for the compound (VI-b), but the compound (VI-b) having longer wavelength fluorescence has solubility in the solvent. Has the disadvantage of not good. Moreover, the color purity of fluorescence emission of these compounds was low, and the emission intensity was not satisfactory.
Further, JP-A-6-9952, coumarin compounds having the following structure in JP-6-9892 is described.
[0006]
[Chemical 8]
[0007]
The compound (VII) has strong fluorescence, but the fluorescence is green.
Further, DE 2234207 reports a coumarin compound (VIII) having the following structure, but does not report fluorescence. .
[0008]
[Chemical 9]
[0009]
[Problems to be solved by the invention]
In view of such circumstances, development of a novel dye having a bright yellow to red color and having excellent light emission performance is demanded for the fluorescent dye compound.
An object of the present invention is to provide a novel fluorescent dye having excellent characteristics such as fastness, solubility, and luminous efficiency.
[0010]
[Means for Solving the Problems]
As a result of intensive studies, the present inventors changed the carbonyl group of the coumarin compound represented by the structural formula (VII) to an imide group, and added a julolidine ring to the coumarin compound of the structural formula (VIII). It has been found that a fluorescent dye having excellent performance can be obtained by introduction, and the present invention has been achieved.
[0011]
That is, the gist of the present invention resides in a coumarin compound represented by the following general formula (I).
[0012]
[Chemical Formula 10]
[0013]
Wherein R 1 , R 2 , R 3 and R 4 each independently represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R 5 represents a hydrogen atom or a cyano group, and R 6 represents a substituted group. alkyl group which may have a group, an aryl group, a heteroaryl group, R 7 to R 10 represents any substituent, may also form a ring with adjacent two groups .X is —CO— or —SO 2 — group, Y represents an oxygen atom, sulfur atom, —NH— or —NR 11 — group, and R 11 represents an alkyl group or a cycloalkyl group.
The present invention also relates to a dye comprising the compound of general formula (I) and a method for producing the same.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail.
The compound of the present invention has a structure represented by the general formula (I),
It is a compound having an imide in the coumarin skeleton and having a julolidine ring, and an imide-type coumarin fluorescent dye having a julolidine ring is not yet known and is a novel dye.
[0015]
In the general formula (I), R 1 , R 2 , R 3 and R 4 may be the same or different and each represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, preferably a hydrogen atom or It is a methyl group, and more preferably, all of R 1 to R 4 are methyl groups.
R 5 represents a hydrogen atom or a cyano group, and both a hydrogen atom and a cyano group are preferable. In the general formula (I), when R 6 represents an optionally substituted alkyl group, the alkyl group includes a methyl group, an ethyl group, an n-propyl group, an i-propyl group, an n-butyl group, an i- 1 to 8 carbon atoms such as butyl group, s-butyl group, t-butyl group, n-pentyl group, neopentyl group, n-hexyl group, n-heptyl group, n-octyl group, 2-ethylhexyl group, preferably 1-4 linear or branched alkyl groups may be mentioned. Examples of the substituent include a halogen atom, an alkoxy group, and an alkoxycarbonyl group. When the substituent is a halogen atom, examples include a chlorine atom, a bromine atom, a fluorine atom, and an iodine atom, and among them, a fluorine atom is preferable. When a substituent is an alkoxy group, a C1-C8, Preferably a C1-C4 alkoxy group is mentioned, A C1-C8 is preferable as a alkoxy-substituted alkyl group. When the substituent is an alkoxycarbonyl group, the total number of carbon atoms and the like are preferably the same as those of the alkoxy group.
[0016]
When R 6 represents an optionally substituted aryl group, a group having a benzene ring or a naphthalene ring is preferable. Specific examples of the substituent include a halogen atom, an optionally substituted alkyl group, an alkoxy group, a phenyl group, and a naphthyl group. When the substituent is a halogen atom, examples include a chlorine atom, a bromine atom, a fluorine atom, and an iodine atom, and among them, a chlorine atom, a bromine atom, and a fluorine atom are preferable. When the substituent is an alkyl group, examples of the alkyl group include linear or branched alkyl groups having 1 to 8 carbon atoms, preferably 1 to 4 carbon atoms as described above. When a substituent is an alkoxy group, a C1-C8, Preferably a C1-C4 alkoxy group is mentioned, A C1-C8 is preferable as a alkoxy-substituted alkyl group. Moreover, the substitution position of the naphthalene ring to the coumarin skeleton is not particularly limited.
[0017]
When R 6 represents an optionally substituted heteroaryl group, examples of the heteroaryl ring include 5- to 7-membered heterocycles, among which a thiophene ring, a furan ring, and a pyridine ring are preferable. The substitution position on the coumarin skeleton is not particularly limited, but the 2-position is preferred for the thiophene ring and furan ring. Examples of the substituent include those similar to the above benzene ring, and a heteroaryl group which is unsubstituted or substituted with a halogen atom is particularly preferable.
[0018]
R 6 is particularly preferably an alkyl group having 1 to 4 carbon atoms, a fluoroalkyl group, an alkoxycarbonyl group, or a phenyl group.
In the general formula (I), R 7 to R 10 each represents an arbitrary substituent, and two adjacent groups may form a ring. As an optional substituent, a hydrogen atom, a halogen atom, a cyano group, a nitro group, an amino group which may be substituted, a hydroxyl group, an alkoxy group which may be substituted, an aryloxy group which may be substituted, or a substituent It represents a good thiol group, an optionally substituted silyl group, an optionally substituted siloxy group, an optionally substituted alkyl group, an optionally substituted aryl group or an optionally substituted carbonyl group.
[0019]
Specifically, examples of the halogen atom, fluorine atom, chlorine atom, and bromine atom. Examples of the amino group which may be substituted include, in addition to the amino group, di-lower alkylamino groups such as dimethylamino group, diethylamino group and diisopropylamino group, diarylamino groups such as diphenylamino group and dinaphthylamino group, and the like. It is done. Examples of the alkoxy group which may be substituted include a linear or branched alkoxy group such as a methoxy group, an ethoxy group, an isopropoxy group and a t-butyloxy group, a halogenated alkoxy group such as a chloromethoxy group, and a methoxy group. Examples include alkoxy-substituted alkoxy groups such as methoxy groups, aryl-substituted alkoxy groups such as benzyloxy groups, and hydroxyl-substituted alkoxy groups such as hydroxymethoxy groups. As the aryloxy group which may be substituted, in addition to aryloxy groups such as phenoxy group and naphthyloxy group, halogenated aryloxy groups such as chlorophenyloxy group, alkoxy-substituted aryloxy groups such as methoxyphenyloxy group, methyl Examples thereof include alkyl-substituted aryloxy groups such as a phenyloxy group. Examples of the thiol group that may be substituted include an alkylthio group such as a methylthio group, an ethylthio group, an isopropylthio group, and a t-butylthio group, an arylthio group such as a phenylthio group, and a naphthylthio group, in addition to the thiol group. Examples of the silyl group which may be substituted include a lower alkyl group such as a trimethylsilyl group, a trimethoxysilyl group, a t-butyldimethylsilyl group, and a t-butyldiphenylsilyl group, a silyl group substituted with an alkoxy group or an aryl group. It is done. Examples of the optionally substituted siloxy group include a siloxy group substituted with a lower alkyl group or an aryl group such as a trimethylsilyloxy group, a trimethoxysilyloxy group, a t-butyldimethylsilyloxy group, or a t-butyldiphenylsilyloxy group. It is done. Examples of the alkyl group which may be substituted include a straight chain or branched chain having 1 to 8 carbon atoms such as methyl group, ethyl group, n-propyl group, isopropyl group, t-butyl group, n-hexyl group and n-octyl group. In addition to the alkyl group, a halogenated alkyl group such as a trifluoromethyl group, an aryl-substituted alkyl group such as a benzyl group, an alkoxyalkyl group such as a methoxymethyl group, and the like. Examples of the carbonyl group which may be substituted include a hydroxyl group-substituted carbonyl group such as a carboxylic acid group, an alkoxy-substituted carbonyl group such as a methoxycarbonyl group and an ethoxycarbonyl group, and an aryl-substituted carbonyl group such as a benzoyl group.
[0020]
Among R 7 to R 10, is preferably a hydrogen atom, an alkyl group which may be substituted, or desirably is which may be substituted alkoxy group, and most preferably R 9 to R 10 all are hydrogen atom, Is the case.
X represents —CO— or —SO 2 —, among which —CO— is preferable.
Y represents an oxygen atom, a sulfur atom, —NH— or —NHR 11 — group (wherein R 11 is an alkyl group or a cycloalkyl group), preferably an oxygen atom or a sulfur atom.
[0021]
Of these, the most preferred coumarin compounds represented by the general formula (I) are all R 1 to R 4 are methyl groups, R 7 to R 10 are all hydrogen atoms, and Y is an oxygen atom. Or it is a compound which is a sulfur atom and X is -CO-.
Specific examples of the compound of the present invention represented by the general formula (I) are shown in Table 1 below, but the compound of the present invention is not limited thereto.
[0022]
[Table 1]
[0023]
[Table 2]
[0024]
[Table 3]
[0025]
[Table 4]
[0026]
[Table 5]
[0027]
[Table 6]
[0028]
[Table 7]
[0029]
[Table 8]
[0030]
[Table 9]
[0031]
[Table 10]
[0032]
[Table 11]
[0033]
[Table 12]
[0034]
[Table 13]
[0035]
[Table 14]
[0036]
[Table 15]
[0037]
[Table 16]
[0038]
[Table 17]
(Note) In Table 1, Me represents a methyl group, Et represents an ethyl group, t-Bu represents a tertiary butyl group, and Ph represents a phenyl group.
[0039]
The compound of the present invention represented by the general formula (I) can be produced, for example, according to the following formula.
[0040]
Embedded image
[0041]
(Wherein R 1 to R 4 , R 6 to R 10 and Y have the same meaning as in the general formula (I), R 5 represents a hydrogen atom, Z represents a halogen atom, and M represents a hydrogen atom. Represents a sodium atom, a potassium atom or a copper atom .)
That is, a coumarin derivative in which R 5 is a hydrogen atom in the formula (II) is reacted with an acid halide represented by the formula (III) or an acid anhydride represented by the formula (IV) to give a general formula (Ia) To obtain a compound of The starting compound of the formula ( II ) can be synthesized according to a method known per se, for example, the method described in Dyes and Pigment 13 (1980) 167-175 , Chemistry & Industry 2 October 1989 653-654 .
[0042]
The reaction is usually carried out in an inert solvent. Examples of the inert solvent used include N, N-dimethylformamide, N-methylpyrrolidone, dimethyl sulfoxide, chlorobenzene, dichlorobenzene, trichlorobenzene, nitrobenzene, methyl cellosolve, ethyl cellosolve, tetrahydrofuran, toluene, and xylene. The reaction is carried out in the presence of a base, but the solvent may also serve as a base. Examples of the basic solvent include pyridine, triethylamine, dimethylaminopyridine and the like, and pyridine is preferable. The amount of the solvent to be used is usually 5 to 50 times by weight, preferably about 5 to 20 times by weight, relative to the above compound (II).
[0043]
When no solvent or a solvent other than a base is used, the reaction is carried out in the presence of a suitable inorganic or organic base. Examples of the inorganic base include carbonates such as sodium carbonate, potassium carbonate, lithium carbonate, and sodium bicarbonate, and hydroxides such as lithium hydroxide, sodium hydroxide, and potassium hydroxide. Examples of the organic base include pyridine, triethylamine, dimethylaminopyridine, imidazole, diethylamine, piperazine, pyrrole, and pyrrolidine. Also, alcoholates such as sodium methylate and sodium ethylate can be used. Of the liquid organic bases as described above, it is preferable to use pyridine as a solvent. When not used as a solvent, sodium carbonate, sodium hydroxide, imidazole and the like are preferable. The amount of the base used may be in the range of 0.9 to 10 times mol, preferably about 0.9 to 3 times mol for the compound of formula (II).
[0044]
The reaction temperature is in the range of 0 ° C. to 200 ° C., preferably 0 ° C. to 100 ° C., and the reaction time is about 0.5 to 48 hours.
After completion of the reaction, the reaction solution is cooled, and the precipitated crystals are filtered, washed with methanol or water and dried to obtain the desired product (Ia). In addition, in the case where crystallization does not occur even after cooling, the reaction solution is discharged into methanol or water, the precipitated crystals are filtered, washed with methanol or water and dried to obtain the desired product. If it does not precipitate even when released into methanol or water, it can be extracted with ethyl acetate, dichloromethane, etc., washed, dried and concentrated. The product may be purified by washing, recrystallization, column chromatography or sublimation purification.
[0045]
The obtained compound represented by the general formula (Ia) is reacted with a cyanide compound represented by the general formula (V) in an inert solvent, and further treated with an oxidant to give a general formula (I- b) can be produced.
Examples of the inert solvent used include N, N-dimethylformamide, N-methylpyrrolidone, dimethyl sulfoxide, chlorobenzene, dichlorobenzene, trichlorobenzene, nitrobenzene, methyl cellosolve, ethyl cellosolve, tetrahydrofuran, toluene, and xylene. Of these, N, N-dimethylformamide (DMF) is preferred. The amount of the solvent used is usually about 2 to 100 times by weight, preferably about 5 to 50 times by weight with respect to the coumarin compound of the general formula (Ia).
[0046]
Specific examples of the cyan compound of the general formula (V) include sodium cyanide, potassium cyanide, copper cyanide, and hydrogen cyanide. Of these, sodium cyanide and potassium cyanide are preferable. The amount of these cyan compounds used is in the range of 1 to 10 times mol, preferably about 1 to 4 times mol, of the compound of general formula (Ia).
[0047]
The reaction temperature is in the range of −78 to 300 ° C., preferably in the range of 0 to 50 ° C., and the reaction time is about 5 minutes to 10 hours.
The reaction product with the cyanide compound is treated with an oxidizing agent, and examples of the oxidizing agent used include halogens such as chlorine, bromine and iodine, and peroxides such as lead tetraacetate and alkali-peroxodisulfate. It is done. Of these, bromine or peroxodisulfate is preferred. The amount of these oxidizing agents to be used is about 0.9 to 10 times mol, preferably about 0.95 to 1.2 times mol for the coumarin compound of the general formula (Ia).
[0048]
The temperature of the oxidant treatment is in the range of −78 to 300 ° C., preferably in the range of 0 to 50 ° C., and the treatment time is about 5 minutes to 10 hours.
After completion of the reaction, the reaction solution is cooled, and the precipitated crystals are filtered, washed with methanol or water and dried to obtain the desired product (Ib). In addition, in the case where crystallization does not occur even after cooling, the reaction solution is discharged into methanol or water, the precipitated crystals are filtered, washed with methanol or water and dried to obtain the desired product. If it does not precipitate even when released into methanol or water, it can be extracted with ethyl acetate, dichloromethane, etc., washed, dried and concentrated. The product may be purified by washing, recrystallization, column chromatography or sublimation purification.
[0049]
The coumarin compound of the present invention represented by the general formula (I) is preferably used as a water-insoluble dye. In addition to coloring of various resins, paints, inks, and dyeing of fibers, dye laser, organic EL (organic) Suitable for dyes such as electroluminescent devices, fluorescent labeling reagents, fluorescent collectors, fluorescent sensors, scintillators, optical fiber amplifiers, etc., especially industrially as fluorescent dyes used for resin coloring or organic EL devices Very useful.
[0050]
【Example】
EXAMPLES The present invention will be specifically described below with reference to examples, but the present invention is not limited to these unless it exceeds the gist. In addition, the compound No. in the following examples. No. of the compounds in Table-1. Corresponding to
Example 1 Table 1 Compound No. 1 Synthesis of 28 0.5 g (1.2 mmol) of the compound of the following formula (II-a)
[0051]
Embedded image
[0052]
0.41 g (1.7 mmol) of heptafluoro-n-butyl chloride was added to a 7.5 ml solution of pyridine, and reacted at room temperature for 1 hour. Water was added to the reaction solution, and the precipitated crystals were filtered to obtain 0.61 g of a crude product. The resulting crude product was purified by column chromatography and sublimation purification to obtain 0.08 g of a solid. This compound showed a bright yellow fluorescence.
[0053]
The analysis results of the obtained solid are as follows. It was confirmed that the compound had a structure of 28.
[0054]
[Table 18]
MS: m / z 625
1H-NMR (CDCl3 (δ = ppm)):
1.33 (s, 6H), 1.59 (s, 6H), 1.80 (dt, 4H), 3.40 (dt, 4H), 7.36 (t, 1H), 7.39 (s, 1H), 7.96 (d, 1H), 8.02 (d, 1H), 9.10 (s, 1H)
Absorption spectrum: λmax 526 nm (solvent: methylene chloride)
Fluorescence spectrum: λmax 556 nm (solvent: methylene chloride)
[0055]
Example 2 Table 1 Compound No. Synthesis of 13 To a solution of 0.4 g (0.9 mmol) of the compound of formula (II-a) in 5.6 ml of pyridine was added 0.17 g (1.4 mmol) of pivaloyl chloride and allowed to react at room temperature for 2 hours. Water was added to the reaction solution, and the precipitated crystals were filtered to obtain 0.54 g of a crude product. The obtained crude product was purified twice by column chromatography to obtain 0.23 g of a solid. This compound showed a clear yellow-green fluorescence.
[0056]
The analysis results of the obtained solid are as follows. It was confirmed to be a compound having a structure of 13.
[0057]
[Table 19]
MS: m / z 513
1H-NMR (CDCl3 (δ = ppm)):
1.30 (s, 6H), 1.37 (s, 9H), 1.49 (s, 6H), 1.80 (dt, 4H), 3.28 (dt, 4H), 7.24 (s, 1H), 7.34 (t, 1H), 7.46 (t, 1H), 7.94 (d, 1H), 8.02 (d, 1H), 8.71 (s, 1H)
Absorption spectrum: λmax 488 nm (solvent: methylene chloride)
Fluorescence spectrum: λmax 529 nm (solvent: methylene chloride)
[0058]
Example 3 Table 1 Compound No. To a solution of 0.05 g (0.1 mmol) of the compound obtained in 109 synthesis example 2 in 1 ml of DMF, 0.005 g (0.1 mmol) of sodium cyanide was added and stirred at room temperature for 1 hour. 0.028 g (0.1 mmol) of potassium aloxodisulfate was added, and the mixture was further reacted at room temperature for 3 hours. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with water, dried and concentrated to obtain 0.06 g as a crude product. The obtained crude product was purified by column chromatography to obtain 0.02 g of a solid. This compound showed bright red fluorescence.
[0059]
The analysis results of the obtained solid are as follows. It was confirmed that the compound had a structure of 109.
[0060]
[Table 20]
MS: m / z 538
1H-NMR (CDCl3 (δ = ppm)):
1.34 (s, 6H), 1,35 (s, 9H), 1.75 (s, 6H), 1.80 (dt, 4H), 3.34 (dt, 4H), 7.41 (t1H), 7.51 (t, 1H), 7.65 (s, 1H), 7.94 (d, 1H), 8.08 (d, 1H)
Absorption spectrum: λmax 565 nm (solvent: methylene chloride)
Fluorescence spectrum: λmax 630 nm (solvent: methylene chloride)
[0061]
Example 4 Table-1 Compound No. Coloring of resin by 28 0.05 g of the compound produced in Example 1 was mixed with 100 g of polymethyl methacrylate (“Acrypet MD” manufactured by Mitsubishi Rayon Co., Ltd.), treated at 200 ° C. using an extruder, and colored pellets. It was created. The pellets were molded by an injection molding machine at 200 ° C. for 5 minutes to prepare a colored molded plate.
[0062]
The resulting colored plate showed a strong fluorescent yellow color and was excellent in light resistance and migration resistance. Further, the color tone of the colored plate molded in the same manner as described above except that it was kept at 250 ° C. for 10 minutes at the time of injection molding showed the same color tone as that of the colored plate molded at 200 ° C. for 5 minutes. There was no change.
Example 5 Table 1 Compound No. Coloring of resin by 13 0.05 g of the compound prepared in Example 2 was mixed with 100 g of polymethyl methacrylate (“Acrypet MD” manufactured by Mitsubishi Rayon Co., Ltd.), treated at 200 ° C. using an extruder, and colored pellets. It was created. The pellets were molded by an injection molding machine at 200 ° C. for 5 minutes to prepare a colored molded plate.
[0063]
The resulting colored plate showed a strong fluorescent yellow color and was excellent in light resistance and migration resistance. Further, the color tone of the colored plate molded in the same manner as described above except that it was kept at 250 ° C. for 10 minutes at the time of injection molding showed the same color tone as that of the colored plate molded at 200 ° C. for 5 minutes. There was no change.
Example 6 Table-1 Compound No. Coloring of resin by 109 0.05 g of the compound produced in Example 3 was mixed with 100 g of polymethyl methacrylate (“Acrypet MD” manufactured by Mitsubishi Rayon Co., Ltd.), treated at 200 ° C. using an extruder, and colored pellets. It was created. The pellets were molded by an injection molding machine at 200 ° C. for 5 minutes to prepare a colored molded plate.
[0064]
The resulting colored plate showed a strong fluorescent red color and was excellent in light resistance and migration resistance. Further, the color tone of the colored plate molded in the same manner as described above except that it was kept at 250 ° C. for 10 minutes at the time of injection molding showed the same color tone as that of the colored plate molded at 200 ° C. for 5 minutes. There was no change.
[0065]
【The invention's effect】
The coumarin compound of the present invention is a novel fluorescent dye compound having high emission luminance and good fastness, and can be used for various uses of fluorescent dyes and is extremely useful.
Claims (7)
で示されるクマリン系化合物の製造方法。The coumarin compound represented by the general formula (Ia) is converted into the following general formula (V) in an inert solvent.
The manufacturing method of coumarin type compound shown by these.
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| JP3891858B2 (en) | 2002-02-21 | 2007-03-14 | 株式会社林原生物化学研究所 | Organic electroluminescence device |
| JP2003249372A (en) * | 2002-02-21 | 2003-09-05 | Hayashibara Biochem Lab Inc | Organic electroluminescent device |
| CN111892609B (en) * | 2020-09-09 | 2022-10-28 | 中国科学技术大学 | Fluorescent probe for detecting mustard gas, detection test paper and preparation method thereof |
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