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JPS6133821B2 - - Google Patents
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JPS6133821B2 - - Google Patents

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Publication number
JPS6133821B2
JPS6133821B2 JP9671476A JP9671476A JPS6133821B2 JP S6133821 B2 JPS6133821 B2 JP S6133821B2 JP 9671476 A JP9671476 A JP 9671476A JP 9671476 A JP9671476 A JP 9671476A JP S6133821 B2 JPS6133821 B2 JP S6133821B2
Authority
JP
Japan
Prior art keywords
group
pyridazinone
phenyl
reaction
yield
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP9671476A
Other languages
Japanese (ja)
Other versions
JPS5321180A (en
Inventor
Masahiro Takatani
Toshihiro Yamada
Tomoichi Yuizono
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hamari Chemicals Ltd
Original Assignee
Hamari Chemicals Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hamari Chemicals Ltd filed Critical Hamari Chemicals Ltd
Priority to JP9671476A priority Critical patent/JPS5321180A/en
Publication of JPS5321180A publication Critical patent/JPS5321180A/en
Publication of JPS6133821B2 publication Critical patent/JPS6133821B2/ja
Granted legal-status Critical Current

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Description

【発明の詳細な説明】 本発明は一般式() (式中、R1はエチレン基、トリメチレン基、ペン
タメチレン基およびメチルエチレン基、R2は水
素原子またはメチル基を示す)で表わされるチオ
アミド誘導体およびその製造法に関する。
[Detailed Description of the Invention] The present invention relates to the general formula () The present invention relates to a thioamide derivative represented by (wherein R 1 is an ethylene group, a trimethylene group, a pentamethylene group, or a methylethylene group, and R 2 is a hydrogen atom or a methyl group) and a method for producing the same.

本発明によるこれらの新規化合物()は毒性
が少なく抗潰瘍作用、鎮痛消炎作用あるいは抗菌
作用を有し、医薬品として有用な化合物を得るこ
とを目的とする。
The purpose of these novel compounds () according to the present invention is to obtain compounds that have low toxicity, have antiulcer activity, analgesic antiinflammatory activity, or antibacterial activity, and are useful as pharmaceuticals.

本発明の新規化合物()は一般式() (式中、R1は前記と同義)で示される2−シアノ
アルキレン−6−フエニル−3(2H)−ピリダジ
ノンにトリアルキルアミンの存在下、ピリジンま
たはメチルアミンのメタノール溶液中で、硫化水
素ガスを導入し、反応容器を密閉後、通常室温下
で数時間から数10時間撹拌すると反応は終了す
る。
The novel compound () of the present invention has the general formula () 2-cyanoalkylene-6-phenyl-3(2H)-pyridazinone represented by (wherein R 1 has the same meaning as above) was heated with hydrogen sulfide gas in a methanol solution of pyridine or methylamine in the presence of a trialkylamine. After introducing the reaction mixture and sealing the reaction vessel, the reaction is completed by stirring at room temperature for several hours to several tens of hours.

反応後の後処理および精製は通常の方法、例え
ば、抽出、再結晶、カラムクロマトグラフイ、活
性炭処理などによつて行なわれる。触媒として使
用するトリアルキルアミンは通常、トリエチルア
ミンが好んで使用される。
Post-reaction work-up and purification are carried out by conventional methods, such as extraction, recrystallization, column chromatography, and activated carbon treatment. Triethylamine is usually preferred as the trialkylamine used as a catalyst.

次ぎに実施例を挙げて本発明化合物およびその
製造法を詳細に説明する。
Next, the compound of the present invention and the method for producing the same will be explained in detail with reference to Examples.

実施例 実施例 1 乾燥ピリジン50mlに2−(2−シアノエチレ
ン)−6−フエニル−3(2H)−ピリダジノン4.5
gを加え、5℃以下に冷却したのちトリエチルア
ミン30ml加え、1時間放冷後0℃以下に冷却し、
乾燥硫化水素ガスを約15分間導入後、反応容器を
密閉し、室温で40時間撹拌すると反応は終了す
る。反応後溶媒を減圧下留去し、残留物をクロロ
ホルムに溶解した液を水洗後、無水硫酸マグネシ
ウムで乾燥したのち減圧下留去し、残渣をエタノ
ールとイソプロピルエーテル1対3の混合溶媒か
ら再結晶すると、融点173〜175℃を示す2−〔2
−(チオカルバモイル)エチレン〕−6−フエニル
−3(2H)−ピリダジノンの白色結晶4.3g(収
率83%)を得る。
Examples Example 1 4.5 ml of 2-(2-cyanoethylene)-6-phenyl-3(2H)-pyridazinone in 50 ml of dry pyridine.
After cooling to below 5°C, add 30ml of triethylamine, leave to cool for 1 hour, and then cool to below 0°C.
After introducing dry hydrogen sulfide gas for about 15 minutes, the reaction vessel is sealed and stirred at room temperature for 40 hours to complete the reaction. After the reaction, the solvent was distilled off under reduced pressure, and the residue was dissolved in chloroform, washed with water, dried over anhydrous magnesium sulfate, and then distilled off under reduced pressure. The residue was recrystallized from a mixed solvent of 1:3 of ethanol and isopropyl ether. Then, 2-[2
4.3 g (yield: 83%) of white crystals of -(thiocarbamoyl)ethylene]-6-phenyl-3(2H)-pyridazinone are obtained.

元素分析値(%)C13H13N3OSとして 理論値 C、60.21;H、5.05;N、16.20 実測値 C、60.31;H、5.01;N、16.39 IR(KBr、cm-1)3250.3150(NH2)、1665(C=
O). NMR(DMSO−d6、δ)3.02(t、2H、J=7
Hz、CH2CS)、4.50(t、2H、J=7Hz、
CONCH2)、7.02(d、1H、J=10Hz、C4
H)、7.40(m、3H、Ar−H)、7.9(m、2H、
Ar−H)、8.00(d、1H、J=10Hz、C5
H)、9.48(d、2H、J=14Hz、CSNH2). 原料として使用した2−(2−シアノエチレ
ン)−6−フエニル−3(2H)−ピリダジノンは
次の様にして得られる。
Elemental analysis value (%) C 13 H 13 N 3 As OS Theoretical value C, 60.21; H, 5.05; N, 16.20 Actual value C, 60.31; H, 5.01; N, 16.39 IR (KBr, cm -1 ) 3250.3150 ( NH 2 ), 1665 (C=
O). NMR (DMSO-d 6 , δ) 3.02 (t, 2H, J=7
Hz, CH 2 CS), 4.50 (t, 2H, J=7Hz,
CONCH 2 ), 7.02 (d, 1H, J=10Hz, C 4
H), 7.40 (m, 3H, Ar-H), 7.9 (m, 2H,
Ar−H), 8.00 (d, 1H, J=10Hz, C 5
H), 9.48 (d, 2H, J=14Hz, CSNH 2 ). 2-(2-cyanoethylene)-6-phenyl-3(2H)-pyridazinone used as a raw material is obtained as follows.

エタノール300mlに6−フエニル−3(2H)−
ピリダジノン30gとアクリロニトリル11.5gおよ
びベンジルトリメチルアンモニウムヒドロキシド
の10%水溶液を2ml加え、8時間加熱還流する。
冷後、溶媒を減圧留去し、残留物をクロロホルム
で溶解し、このクロロホルム溶液を水洗、無水芒
硝で乾燥後、減圧留去し、残留物をエタノールと
イソプロピルエーテル1対2の混液から再結晶す
ると、融点103〜104℃を示す2−(2−シアノエ
チレン)−6−フエニル−3(2H)−ピリダジノ
ンの白色結晶30.1g(収率76%)を得る。
6-phenyl-3(2H)- in 300ml of ethanol
Add 30 g of pyridazinone, 11.5 g of acrylonitrile, and 2 ml of a 10% aqueous solution of benzyltrimethylammonium hydroxide, and heat under reflux for 8 hours.
After cooling, the solvent was distilled off under reduced pressure, the residue was dissolved in chloroform, the chloroform solution was washed with water, dried over anhydrous sodium sulfate, and then distilled off under reduced pressure, and the residue was recrystallized from a mixture of ethanol and isopropyl ether (1:2). As a result, 30.1 g (yield 76%) of white crystals of 2-(2-cyanoethylene)-6-phenyl-3(2H)-pyridazinone having a melting point of 103 to 104 DEG C. are obtained.

元素分析値(%)C13H11N3Oとして 理論値 C、69.33;H、4.88;N、18.66 実測値 C、69.45;H、4.85;N、18.72 IR(Nujol、cm-1)2240(C≡N)、1650(C=
O). NMR(CDCl3、δ)2.95(t、2H、J=7Hz、
CH2CN)、4.52(t、2H、J=7Hz、
CONCH2)、6.98(d、1H、J=10Hz、C4
H)、7.5(m、3H、Ar−H)、7.62(d、1H、
J=10Hz、C5−H)、7.7(m、2H、Ar−H). 実施例 2 実施例1の乾燥ピリジンの代りに30%メチルア
ミンのメタノール溶液を用いる以外はすべて実施
例1と同様に行なうと、融点149〜150℃(再結晶
溶媒はクロロホルムとイソプロピルエーテルの等
量混液を使用)を示す2−〔2−(N−メチルチオ
カルバモイル)エチレン〕−6−フエニル−3
(2H)−ピリダジノンの白色結晶(収率65%)を
得る。
Elemental analysis value (%) as C 13 H 11 N 3 O Theoretical value C, 69.33; H, 4.88; N, 18.66 Actual value C, 69.45; H, 4.85; N, 18.72 IR (Nujol, cm -1 ) 2240 ( C≡N), 1650 (C=
O). NMR (CDCl 3 , δ) 2.95 (t, 2H, J=7Hz,
CH 2 CN), 4.52 (t, 2H, J=7Hz,
CONCH 2 ), 6.98 (d, 1H, J=10Hz, C 4
H), 7.5 (m, 3H, Ar-H), 7.62 (d, 1H,
J=10Hz, C5 -H), 7.7(m, 2H, Ar-H). Example 2 The same procedure as in Example 1 was carried out except that a 30% methanol solution of methylamine was used in place of the dry pyridine in Example 1. 2-[2-(N-methylthiocarbamoyl)ethylene]-6-phenyl-3
White crystals of (2H)-pyridazinone (yield 65%) are obtained.

元素分析値(%)C14H15N3OSとして 理論値 C、61.53;H、5.49;N、15.38 実測値 C、61.48;H、5.51;N、15.34 IR(Nujol、cm-1)3220(NH)、1640(C=O). NMR(DMSO−d6、δ)2.96(d、3H、J=4
Hz、NHCH3)、3.06(t、2H、J=7Hz、
CH2OS)、4.51(t、2H、J=7Hz、
CONCH2)、7.02(d、1H、J=10Hz、C4
H)、7.50(m、3H、Ar−H)、7.90(m、
2H、Ar−H)、8.00(d、1H、J=10Hz、C5
−H)、10.00(br、1H、CSNH). 実施例 3 原料として2−(2−シアノ−2−メチルエチ
レン)−6−フエニル−3(2H)−ピリダジノン
を用いて、実施例1に準拠して反応および後処理
を行なうと、融点172〜174℃を示す2−〔2−メ
チル−2−チオカルバモイル)エチレン〕−6−
フエニル−3(2H)−ピリダジノンの白色結晶
(収率75%)を得る。
Elemental analysis value (%) C 14 H 15 N 3 As OS Theoretical value C, 61.53; H, 5.49; N, 15.38 Actual value C, 61.48; H, 5.51; N, 15.34 IR (Nujol, cm -1 ) 3220 ( NH), 1640 (C=O). NMR (DMSO-d 6 , δ) 2.96 (d, 3H, J=4
Hz, NHCH3 ), 3.06(t, 2H, J=7Hz,
CH 2 OS), 4.51 (t, 2H, J=7Hz,
CONCH 2 ), 7.02 (d, 1H, J=10Hz, C 4
H), 7.50 (m, 3H, Ar-H), 7.90 (m,
2H, Ar-H), 8.00 (d, 1H, J=10Hz, C 5
-H), 10.00 (br, 1H, CSNH). Example 3 Using 2-(2-cyano-2-methylethylene)-6-phenyl-3(2H)-pyridazinone as a raw material and carrying out the reaction and post-treatment according to Example 1, the melting point was 172~ 2-[2-methyl-2-thiocarbamoyl)ethylene]-6- showing 174℃
White crystals of phenyl-3(2H)-pyridazinone (yield 75%) are obtained.

元素分析値(%)C14H15N3OSとして 理論値 C、61.53;H、5.49;N、15.38 実測値 C、61.59;H、5.46;N、15.41 IR(Nujol、cm-1)3300、3190(NH2)、1660(C
=O). NMR(DMSO−d6、δ)1.18(d、3H、J=7
Hz、CHCH3)、3.57(sextet、1H、J=7Hz、
CHCH3)、4.40(d、2H、J=7Hz、
CONCH2)、7.12(d、1H、J=10Hz、C4
H)、7.60(m、3H、Ar−H)、8.0(m.2H、
Ar−H)、8.12(d.1H、J=10Hz、C5−H)、
9.52(br、d、2H、J=12Hz、CSNH2). 実施例 4 原料として2−(3−シアノトリメチレン)−6
−フエニル−3(2H)−ピリダジノンを用いて、
実施例1と同様に反応及び後処理を行なうと、融
点129〜130℃を示す2−〔3−(チオカルバモイ
ル)トリメチレン〕−6−フエニル−3(2H)−
ピリダジノンの白色結晶(収率57%)を得る。
Elemental analysis value (%) C 14 H 15 N 3 As OS Theoretical value C, 61.53; H, 5.49; N, 15.38 Actual value C, 61.59; H, 5.46; N, 15.41 IR (Nujol, cm -1 ) 3300, 3190 (NH 2 ), 1660 (C
=O). NMR (DMSO-d 6 , δ) 1.18 (d, 3H, J=7
Hz, CHCH 3 ), 3.57 (sextet, 1H, J=7Hz,
CHCH 3 ), 4.40 (d, 2H, J=7Hz,
CONCH 2 ), 7.12 (d, 1H, J=10Hz, C 4
H), 7.60 (m, 3H, Ar-H), 8.0 (m.2H,
Ar-H), 8.12 (d.1H, J=10Hz, C5 -H),
9.52 (br, d, 2H, J=12Hz, CSNH 2 ). Example 4 2-(3-cyanotrimethylene)-6 as a raw material
- using phenyl-3(2H)-pyridazinone,
When the reaction and post-treatment were carried out in the same manner as in Example 1, 2-[3-(thiocarbamoyl)trimethylene]-6-phenyl-3(2H)- having a melting point of 129-130°C was obtained.
White crystals of pyridazinone (yield 57%) are obtained.

元素分析値(%)C14H15N3CSとして 理論値 C、61.53;H、5.49;N、15.38 実測値 C、61.62;H、5.54;N、15.19 IR(Nujol、cm-1)3355、3190(NH2)、1650(C
=O). NMR(DMSO−d6、δ)2.22(quintet、2H、J
=7Hz、CH2CH2CH2)、2.55(t、2H、J=
7Hz、CH2CS)、4.23(t、2H、J=7Hz、
CONCH2)、7.10(d、1H、J=10Hz、C4
H)、7.6(m.3H、Ar−H)、8.0(m、2H、Ar
−H)、8.12(d、1H、J=10Hz、C5−H)、
9.42(br、d、2H、J=16Hz、CSNH2). 原料の2−(3−シアノトリメチレン)−6−フ
エニル−3(2H)−ピリダジノンは次の様にして
得ることができる。
Elemental analysis value (%) C 14 H 15 N 3 As CS Theoretical value C, 61.53; H, 5.49; N, 15.38 Actual value C, 61.62; H, 5.54; N, 15.19 IR (Nujol, cm -1 ) 3355, 3190 (NH 2 ), 1650 (C
=O). NMR (DMSO-d 6 , δ) 2.22 (quintet, 2H, J
=7Hz, CH 2 CH 2 CH 2 ), 2.55 (t, 2H, J =
7Hz, CH 2 CS), 4.23(t, 2H, J=7Hz,
CONCH 2 ), 7.10 (d, 1H, J=10Hz, C 4
H), 7.6 (m.3H, Ar-H), 8.0 (m, 2H, Ar
-H), 8.12 (d, 1H, J=10Hz, C 5 -H),
9.42 (br, d, 2H, J=16Hz, CSNH 2 ). The raw material 2-(3-cyanotrimethylene)-6-phenyl-3(2H)-pyridazinone can be obtained as follows.

ベンゼン150mlに6−フエニル−3(2H)−ピ
リダジノン4.7g、シアン化4−ブロモブチル4.2
g、水酸化カリリウム1.5gおよびテトラブチル
アンモニウムブロマイド1.7gを加え、室温で6
時間撹拌すると反応は終了する。ベンゼン反応液
は5%水酸化ナトリウム水溶液、次いで10%塩酸
水溶液、最後に水で洗浄したのち、無水硫酸ナト
リウムで乾燥後減圧留去し、残留油を減圧蒸留す
ると、融点185〜190℃/0.3mmHgを示す2−(3
−シアノトリメチレン)−6−フエニル−3
(2H)−ピリダジノンの油5.6g(収率88%)を得
る。
4.7 g of 6-phenyl-3(2H)-pyridazinone and 4.2 g of 4-bromobutyl cyanide in 150 ml of benzene.
g, potassium hydroxide 1.5 g and tetrabutylammonium bromide 1.7 g were added, and the mixture was heated to 6 g at room temperature.
After stirring for an hour, the reaction is complete. The benzene reaction solution was washed with a 5% aqueous sodium hydroxide solution, then with a 10% aqueous hydrochloric acid solution, and finally with water, dried over anhydrous sodium sulfate, and then distilled off under reduced pressure.The residual oil was distilled under reduced pressure to obtain a melting point of 185-190℃/0.3. 2-(3
-cyanotrimethylene)-6-phenyl-3
5.6 g (88% yield) of (2H)-pyridazinone oil is obtained.

元素分析値(%)C14H13N3Oとして 理論値 C、70.29;H、5.43;N、17.57 実測値 C、70.43;H、5.48;N、15.49 IR(Film、cm-1)2245(C≡N)、1660(C=
O). 実施例 5 原料に2−(5−シアノペンタメチレン)−6−
フエニル−3−(2H)−ピリダジノンを用いて、
実施例1と同様に反応及び後処理を行なうと、融
点102〜103℃を示す2−〔5−(チオカルバモイ
ル)ペンタメチレン〕−6−フエニル−3(2H)
−ピリダジノンの白色結晶(収率67%)を得る。
Elemental analysis value (%) as C 14 H 13 N 3 O Theoretical value C, 70.29; H, 5.43; N, 17.57 Actual value C, 70.43; H, 5.48; N, 15.49 IR (Film, cm -1 ) 2245 ( C≡N), 1660 (C=
O). Example 5 2-(5-cyanopentamethylene)-6- as a raw material
Using phenyl-3-(2H)-pyridazinone,
When the reaction and post-treatment were carried out in the same manner as in Example 1, 2-[5-(thiocarbamoyl)pentamethylene]-6-phenyl-3(2H) having a melting point of 102 to 103°C was obtained.
- Obtain white crystals of pyridazinone (yield 67%).

元素分析値(%)C16H19N3OSとして 理論値 C、63.78;H、6.31;N、13.95 実測値 C、63.92;H、6.36;N、13.86 IR(Nujol、cm-1)3260、3090(NH)、1660(C=
O). NMR(DMSO−d6、δ)1.40〔m.2H、
(CH22CH2(CH22〕、1.80(m、4H、
CH2CH2)、2.58(t、2H、J=7Hz、
CH2CS)、4.22(t.2H、J=7Hz、
CONCH2)、7.10(d、1H、J=10Hz、C4
H)、7.60(m、3H、Ar−H)、8.00(m、
2H、Ar−H)、8.04(d、1H、J=10Hz、C5
−H)、9.2(br、2H、CSNH2). 原料として使用した2−(5−シアノペンタメ
チレン)−6−フエニル−3(2H)−ピリダジノ
ンは次の様にして合成することができる。
Elemental analysis value (%) C 16 H 19 N 3 As OS Theoretical value C, 63.78; H, 6.31; N, 13.95 Actual value C, 63.92; H, 6.36; N, 13.86 IR (Nujol, cm -1 ) 3260, 3090 (NH), 1660 (C=
O). NMR (DMSO−d 6 , δ) 1.40 [m.2H,
(CH 2 ) 2 CH 2 (CH 2 ) 2 ], 1.80 (m, 4H,
CH 2 CH 2 ), 2.58 (t, 2H, J=7Hz,
CH 2 CS), 4.22 (t.2H, J=7Hz,
CONCH 2 ), 7.10 (d, 1H, J=10Hz, C 4
H), 7.60 (m, 3H, Ar-H), 8.00 (m,
2H, Ar-H), 8.04 (d, 1H, J=10Hz, C 5
-H), 9.2 (br, 2H, CSNH2 ). 2-(5-cyanopentamethylene)-6-phenyl-3(2H)-pyridazinone used as a raw material can be synthesized as follows.

ベンゼン300mlに6−フエニル−3(2H)−ピ
リダジノン10.3g、1・5−ジブロモペンタン
41.4g、水酸化カリウム3.4gおよびテトラブチ
ルアンモモニウムブロマイド3.9gを加え、室温
下8時間撹拌後、反応液を5%水酸化ナトリウム
水溶液、次いで10%塩酸水溶液そして水で洗浄
後、無水硫酸マグネシウムで乾燥する。乾燥後、
反応溶媒を減圧下留去後、残留油を減圧蒸留する
と融点191〜195℃/1.5mmHgを示す2−(5−ブ
ロモペンタメチレン)−6−フエニル−3(2H)
−ピリダジノンの無色油13.3g(収率69%)〔IR
(Film、cm-1)1665(C=0)〕が得られる。こ
の油9.6gをベンゼン200mlに溶解後、シアン化カ
リウム2.1gおよびテトラブチルアンモニウムブ
ロマイド2.0gを加え、内温50〜60℃で10時間撹
拌すると反応は終了する。反応後、反応液を水
洗、無水硫酸マグネシウムで乾燥後、減圧留去し
残留法を減圧蒸留に附すと沸点200〜207℃/0.7
mmHgを示す2−(5−シアノペンタメチレン)−
6−フエニル−3(2H)−ピリダジノンの黄色油
6.5g(収率81%)を得る。
10.3 g of 6-phenyl-3(2H)-pyridazinone and 1,5-dibromopentane in 300 ml of benzene
41.4 g, potassium hydroxide 3.4 g, and tetrabutylammonium bromide 3.9 g were added, and after stirring at room temperature for 8 hours, the reaction solution was washed with a 5% aqueous sodium hydroxide solution, then a 10% aqueous hydrochloric acid solution, and water, and anhydrous magnesium sulfate was added. Dry with. After drying,
After the reaction solvent was distilled off under reduced pressure, the residual oil was distilled under reduced pressure to obtain 2-(5-bromopentamethylene)-6-phenyl-3 (2H), which showed a melting point of 191-195°C/1.5 mmHg.
- 13.3 g (yield 69%) of colorless oil of pyridazinone [IR
(Film, cm -1 )1665 (C=0)] is obtained. After dissolving 9.6 g of this oil in 200 ml of benzene, 2.1 g of potassium cyanide and 2.0 g of tetrabutylammonium bromide are added, and the reaction is completed by stirring at an internal temperature of 50 to 60°C for 10 hours. After the reaction, the reaction solution was washed with water, dried over anhydrous magnesium sulfate, distilled under reduced pressure, and the residue was distilled under reduced pressure to obtain a boiling point of 200-207℃/0.7
2-(5-cyanopentamethylene)- indicating mmHg
6-phenyl-3(2H)-pyridazinone yellow oil
Obtain 6.5 g (81% yield).

元素分析値(%)C16H17N3Oとして 理論値 C、71.91;H、6.36;N、15.73 実測値 C、72.13;H、6.31;N、15.67 IR(Film、cm-1)2240(C≡N)、1670(C=
O). NMR(CDCl3、δ)1.60〜1.90〔m.6H、CH2
(CH23CH2〕、2.24(t、2H、J=7Hz、
CH2CN)、4.24(t、2H、J=7Hz、
CONCH2)、6.98(d、1H、J=10Hz、C4
H)、7.5(m.、3H、Ar−H)、7.68(d、
1H、J=10Hz、C5−H)、7.70(m、2H、Ar
−H). 実施例 6 30%メチルアミンのメタノール溶液に2−(5
−シアノペンタメチレン)−6−フエニル−3
(2H)−ピリダジノンを加え、以下実施例1と同
様にトリエチルアミンおよび乾燥硫化水素ガスを
加えて反応および後処理を行なうと、融点73〜75
℃を示す2−〔5−(N−メチルチオカルバモイ
ル)ペンタメチレン〕−6−フエニル−3−
(2H)−ピリダジノンの白色結晶(収率58%)を
得る。
Elemental analysis value (%) as C 16 H 17 N 3 O Theoretical value C, 71.91; H, 6.36; N, 15.73 Actual value C, 72.13; H, 6.31; N, 15.67 IR (Film, cm -1 ) 2240 ( C≡N), 1670 (C=
O). NMR ( CDCl3 , δ) 1.60-1.90 [m.6H, CH2
(CH 2 ) 3 CH 2 ], 2.24 (t, 2H, J=7Hz,
CH 2 CN), 4.24 (t, 2H, J=7Hz,
CONCH 2 ), 6.98 (d, 1H, J=10Hz, C 4
H), 7.5 (m., 3H, Ar-H), 7.68 (d,
1H, J=10Hz, C 5 −H), 7.70(m, 2H, Ar
-H). Example 6 2-(5
-cyanopentamethylene)-6-phenyl-3
(2H)-pyridazinone is added, and then triethylamine and dry hydrogen sulfide gas are added in the same manner as in Example 1 for reaction and post-treatment, the melting point is 73-75.
2-[5-(N-methylthiocarbamoyl)pentamethylene]-6-phenyl-3-
White crystals of (2H)-pyridazinone (yield 58%) are obtained.

元素分析値(%)C17H21N3OSとして 理論値 C、64.76;H、6.66;N、13.33 実測値 C、64.93;H、6.72;N、13.18 IR(Nujol、cm-1)3240(NH)、1650(C=O). NMR(DMSO−d6、δ)1.4〜1.8〔m.6H、CH2
(CH23CH2〕、2.75(t、2H、J=7Hz、
CH2CS)、2.94(d、3H、J=5Hz、
NHCH3)、4.43(t、2H、J=7Hz、
CONCH2)、7.00Cd、1H、J=10Hz、C4
H)、7.5(m、3H、Ar−H)、7.90(m.2H、
Ar−H)、7.99(d、1H、J=10Hz、C5
H)、9.3(br、1H、NH).
Elemental analysis value (%) C 17 H 21 N 3 As OS Theoretical value C, 64.76; H, 6.66; N, 13.33 Actual value C, 64.93; H, 6.72; N, 13.18 IR (Nujol, cm -1 ) 3240 ( NH), 1650 (C=O). NMR (DMSO-d 6 , δ) 1.4-1.8 [m.6H, CH 2
(CH 2 ) 3 CH 2 ], 2.75 (t, 2H, J=7Hz,
CH 2 CS), 2.94 (d, 3H, J=5Hz,
NHCH3 ), 4.43(t, 2H, J=7Hz,
CONCH 2 ), 7.00Cd, 1H, J=10Hz, C 4
H), 7.5 (m, 3H, Ar-H), 7.90 (m.2H,
Ar−H), 7.99 (d, 1H, J=10Hz, C 5
H), 9.3 (br, 1H, NH).

Claims (1)

【特許請求の範囲】 1 式() (式中、R1はエチレン基、トリメチレン基、ペン
タメチレン基およびメチルエチレン基、R2は水
素原子またはメチル基を示す)で表わされるチオ
アミド類。 2 式() (式中、R1はエチレン基、トリメチレン基、ペン
タメチレン基およびメチルエチレン基を示す)で
表わされる2−シアノアルキレン−6−フエニル
−3−(2H)−ピリダジノンにトリアルキルアミ
ンの存在下、ピリジン中で硫化水素を作用させる
ことを特徴とする 式() (式中、R1はエチレン基、トリメチレン基、ペン
タメチレン基およびメチルエチレン基、R2は水
素原子またはメチレン基を示す)で表わされるチ
オアミド類の製造法。
[Claims] 1 Formula () (In the formula, R 1 is an ethylene group, a trimethylene group, a pentamethylene group, or a methylethylene group, and R 2 is a hydrogen atom or a methyl group). 2 formula () (wherein, R 1 represents an ethylene group, a trimethylene group, a pentamethylene group, and a methylethylene group) in the presence of a trialkylamine in 2-cyanoalkylene-6-phenyl-3-(2H)-pyridazinone, Formula () characterized by the action of hydrogen sulfide in pyridine (In the formula, R 1 is an ethylene group, a trimethylene group, a pentamethylene group, or a methylethylene group, and R 2 is a hydrogen atom or a methylene group).
JP9671476A 1976-08-11 1976-08-11 Production of thioamide derivatives Granted JPS5321180A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9671476A JPS5321180A (en) 1976-08-11 1976-08-11 Production of thioamide derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9671476A JPS5321180A (en) 1976-08-11 1976-08-11 Production of thioamide derivatives

Publications (2)

Publication Number Publication Date
JPS5321180A JPS5321180A (en) 1978-02-27
JPS6133821B2 true JPS6133821B2 (en) 1986-08-04

Family

ID=14172404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9671476A Granted JPS5321180A (en) 1976-08-11 1976-08-11 Production of thioamide derivatives

Country Status (1)

Country Link
JP (1) JPS5321180A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0630786Y2 (en) * 1988-12-31 1994-08-17 株式会社武州 Unloading device

Also Published As

Publication number Publication date
JPS5321180A (en) 1978-02-27

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