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NZ773226B2 - Salts of pi3k inhibitor and processes for their preparation - Google Patents
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NZ773226B2 - Salts of pi3k inhibitor and processes for their preparation - Google Patents

Salts of pi3k inhibitor and processes for their preparation Download PDF

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Publication number
NZ773226B2
NZ773226B2 NZ773226A NZ77322616A NZ773226B2 NZ 773226 B2 NZ773226 B2 NZ 773226B2 NZ 773226 A NZ773226 A NZ 773226A NZ 77322616 A NZ77322616 A NZ 77322616A NZ 773226 B2 NZ773226 B2 NZ 773226B2
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New Zealand
Prior art keywords
formula
compound
reacting
salt
xiii
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NZ773226A
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NZ773226A (en
Inventor
William Frietze
Zhongjiang Jia
Qiyan Lin
Pingli Liu
David Meloni
Yongchun Pan
Lei Qiao
Vaqar Sharief
Chongsheng Eric Shi
Lingkai Weng
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Incyte Holdings Corporation
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Publication of NZ773226A publication Critical patent/NZ773226A/en
Publication of NZ773226B2 publication Critical patent/NZ773226B2/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • AHUMAN NECESSITIES
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    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
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    • AHUMAN NECESSITIES
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    • AHUMAN NECESSITIES
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    • C07B2200/13Crystalline forms, e.g. polymorphs
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04Ortho-condensed systems

Abstract

The present application provides processes for preparing (R)-4-(3-((S)-1-(4-amino-3-methyl-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl)-5-chloro-2-ethoxy-6-fluorophenyl)pyrrolidin-2-one, which is useful as an inhibitor phosphoinositide 3-kinase-delta (PI3Kd), as well as a salt form and intermediates related thereto.

Claims (50)

The claims defining the invention are as follows:
1. A process, sing reacting a compound of Formula XVI: with formamidine acetate to form a compound of a I:
2. The process of claim 1, wherein said reacting of the compound of Formula XVI with formamidine acetate is conducted in a solvent component comprising 1,2- ethanediol.
3. The process of claim 1 or 2, wherein said reacting of the compound of Formula XVI with formamidine acetate is performed at a temperature of from about 100 oC to about 105 oC.
4. The process of any one of claims 1 to 3, n about 8 to about 10 equivalents of formamidine acetate is used based on 1 equivalent of the compound of Formula XVI.
5. The process of any one of claims 1 to 4, further sing preparing the compound of Formula XVI by a process comprising reacting a compound of Formula with (1-ethoxyethylidene)malononitrile in the presence of a tertiary amine.
6. The process of claim 5, wherein said tertiary amine is ylpyrrolidinone.
7. The process of claim 5 or 6, wherein said reacting of the nd of Formula XV with with (1-ethoxyethylidene)malononitrile is performed at about room temperature.
8. The process of any one of claims 5 to 7, further comprising preparing the compound of Formula XV by a process comprising reacting a compound of Formula XIV-a: XIV-a with ine in the presence of a tertiary amine, wherein P1 is C1-6 alkylsulfonyl.
9. The process of claim 8, wherein said tertiary amine is N-methylpyrrolidinone.
10. The process of claim 8 or 9, wherein said reacting of the compound of Formula XIV-a with ine is performed at a temperature of from about 35 oC to about 60 oC.
11. The s of any one of claims 8 to 10, n said reacting of the compound of Formula XIV-a with hydrazine is conducted in a solvent component comprising dichloromethane.
12. The process of any one of claims 8 to 11, wherein P1 is esulfonyl group.
13. The process of any one of claims 8 to 12, r comprising preparing the compound of Formula XIV-a by a process comprising reacting a compound of Formula XIII: with C1-6 alkylsulfonylhalide in the presence of a tertiary amine.
14. The process of claim 13, wherein said C1-6 alkylsulfonylhalide is methanesulfonyl chloride.
15. The process of claim 13 or 14, wherein said tertiary amine is N,N- diisopropylethylamine.
16. The process of any one of claims 13 to 15, wherein about 1.1 to about 1.5 equivalents of alkylsulfonylhalide is used based on 1 equivalent of the compound of Formula XIII.
17. The process of any one of claims 13 to 16, wherein said reacting of said compound of Formula XIII with C1-6 alkylsulfonylhalide is performed at a temperature of from about -10 oC to about 5 oC.
18. The s of any one of claims 13 to 17, wherein said reacting of said compound of Formula XIII with C1-6 alkylsulfonylhalide is performed in a solvent component comprising dichloromethane.
19. The process of any one of claims 1 to 18, wherein the steps of: (i) reacting of said nd of Formula XIII with C1-6 alkylsulfonylhalide; (ii) reacting said nd of Formula XIV-a with ine in the presence of a tertiary amine to form a compound of Formula XV; and (iii) reacting said compound of Formula XV with formamidine e to form a compound of Formula XVI are conducted in the same pot without isolation of the compound of Formula XIV-a or the compound of Formula XV.
20. The process of any one of claims 1 to 4, further comprising preparing the nd of Formula XVI by a process comprising reacting a salt of Formula XV-a: with (1-ethoxyethylidene)malononitrile in the presence of a ry amine, wherein TsOH is p-toluenesulfonic acid.
21. The process of claim 20, wherein said tertiary amine is N,N- diisopropylethylamine.
22. The process of claim 20 or 21, wherein said reacting a salt of Formula XV-a with with (1-ethoxyethylidene)malononitrile is performed at about room temperature.
23. The process of any one of claims 20 to 22, wherein about 1.3 to about 1.6 equivalents of (1-ethoxyethylidene)malononitrile is used based on 1 lent of the salt of Formula XV-a.
24. The process of any one of claims 20 to 23, wherein said reacting of the salt of Formula XV-a with (1-ethoxyethylidene)malononitrile is conducted in a solvent ent comprising ethanol.
25. The process of any one of claims 20 to 24, further comprising preparing the salt of Formula XV-a by a process comprising reacting a compound of Formula XXI: with p-toluenesulfonic acid, wherein Boc is tert-butoxycarbonyl.
26. The process of claim 25, wherein said p-toluenesulfonic acid is ptoluenesulfonic acid monohydrate.
27. The process of claim 25 or 26, wherein about 1.3 to about 1.6 equivalents of ptoluenesulfonic acid is used based on 1 equivalent of the compound of Formula XXI.
28. The process of any one of claims 25 to 27, wherein said reacting of said nd of Formula XXI with enesulfonic acid is performed at a temperature of from about 45 oC to about 65 oC.
29. The process of any one of claims 25 to 28, wherein reacting of said compound of Formula XXI with p-toluenesulfonic acid is conducted in a solvent ent sing ethanol.
30. The process of any one of claims 25 to 29, wherein the steps of: (i) ng said compound of Formula XXI with p-toluenesulfonic acid to form a salt of Formula XV-a; and (ii) reacting said salt of Formula XV-a with (1- ethoxyethylidene)malononitrile are ted in the same pot without isolation of the salt of a XV-a.
31. The process of any one of claims 25 to 30, r comprising preparing the compound of Formula XXI by a process comprising reacting a compound of Formula with hydrogen gas in the presence of one or more independently selected hydrogenation catalysts, wherein Boc is t-butoxycarbonyl.
32. The process of claim 31, wherein said reacting of the compound of Formula XX with hydrogen gas is performed in the presence of two independently selected hydrogenation catalysts.
33. The process of claim 32, wherein one hydrogenation catalyst is bis(1,5- cyclooctadiene)rhodium(I)tetrafluoroborate and the other is (R)-(-){(S)[bis(4- trifluoromethylphenyl)phosphine]ferrocenyl}ethyl-di-t-butylphosphine.
34. The process of claim 33, wherein about 13.5 to about 14.5 equivalents of the compound of a XX are used based on 1 lent of the bis(1,5- cyclooctadiene)rhodium(I)tetrafluoroborate.
35. The process of claim 33 or 34, wherein about 12 to about 13 equivalents of the compound of Formula XX are used based on 1 equivalent of the (R)-(-){(S) [bis(4-trifluoromethylphenyl)phosphine]ferrocenyl}ethyl-di-t-butylphosphine.
36. The process of any one of claims 31 to 35, wherein said reacting of the compound of Formula XX with hydrogen gas is performed at about room temperature.
37. The process of any one of claims 31 to 36, wherein said reacting of the compound of Formula XX with hydrogen gas is conducted in a solvent ent comprising methanol.
38. The s of any one of claims 31 to 37, r comprising preparing the compound of Formula XX by a process comprising reacting a compound of Formula with l carbazate.
39. The process of claim 38, wherein said reacting of the nd of Formula XIX with t-butyl carbazate is performed at a temperature of from about 60 oC to about 70 oC.
40. The process of claim 38 or 39, wherein said reacting of the compound of Formula XIX with t-butyl carbazate is conducted in a solvent component comprising methanol.
41. The process of any one of claims 38 to 40, further comprising preparing the compound of Formula XIX by a process comprising oxidizing a nd of Formula XIII-a: XIII-a in the presence of an oxidizing agent.
42. The process of claim 41, n said oxidizing agent is Dess-Martin periodinane.
43. The process of claim 41 or 42, wherein about 1.2 to about 1.7 equivalents of said oxidizing agent is used based on 1 equivalent of the compound of a XIII-
44. The process of any one of claims 41 to 43, wherein said oxidizing of the compound of Formula XIII-a is performed at about room temperature.
45. The process of any one of claims 41 to 44, n said oxidizing of the compound of Formula XIII-a is conducted in a solvent component comprising dichloromethane.
46. A compound of Formula XIV: or a pharmaceutically acceptable salt thereof.
47. A compound of Formula XV: or a pharmaceutically acceptable salt thereof.
48. A compound of Formula XVI: or a pharmaceutically acceptable salt thereof.
49. A nd of Formula XX: or a ceutically acceptable salt thereof.
50. A compound of Formula XXI: or a ceutically acceptable salt thereof. com AOL 3:: 98m? mmbom F . .0."— am: >>o_ “— A926 SUBSTITUTE SHEET (RULE 26) mm-- AOOV > "I N 525 .0."— 8% IIIIII-g EswwmQEmko F >SJQI u 3283?: 28 0 Im mm. vNor on. —— (%) %1u6!e/V
NZ773226A 2016-02-26 Salts of pi3k inhibitor and processes for their preparation NZ773226B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562121697P 2015-02-27 2015-02-27
NZ734993A NZ734993B2 (en) 2016-02-26 Salts of pi3k inhibitor and processes for their preparation

Publications (2)

Publication Number Publication Date
NZ773226A NZ773226A (en) 2024-03-22
NZ773226B2 true NZ773226B2 (en) 2024-06-25

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