IP Library Granted Patent US 12,116,346
Granted Patent B2
US 12,116,346 · App. 18/136,025 · Granted Oct 15, 2024

Human plasma kallikrein inhibitors

Inventors: Pravin L. Kotian (Hoover, AL); Yarlagadda S. Babu (Birmingham, AL); Minwan Wu (Vestavia Hills, AL); Venkat R. Chintareddy (Vestavia Hills, AL); V. Satish Kumar (Birmingham, AL); Weihe Zhang (Vestavia Hills, AL)
Assignee: BioCryst Pharmaceuticals, Inc.
C07D231/14C07D401/04C07D401/12C07D401/14C07D403/04C07D403/12C07D405/12C07D413/04C07D413/12C07D417/12
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Quick Facts
Patent No.
US 12,116,346
App. No.
18/136,025
Granted
Oct 15, 2024
Kind
B2
Abstract

Disclosed are compounds of formula I as described herein, and pharmaceutically acceptable salts thereof. The compounds are inhibitors of plasma kallikrein. Also provided are pharmaceutical compositions comprising at least one compound of the invention, and methods involving use of the compounds and compositions of the invention in the treatment and prevention of diseases and conditions characterized by unwanted plasma kallikrein activity.

Claims (34)

1. A compound, or a pharmaceutically acceptable salt thereof, selected from the group consisting of:

2. The compound of claim 1 , wherein the pharmaceutically acceptable salt thereof is a hydrochloride salt.

3. The compound of claim 1 , wherein the compound is

and wherein the pharmaceutically acceptable salt thereof is a hydrochloride salt.

4. The compound of claim 3 , wherein the compound is (+)-1-(3-(aminomethyl)phenyl)-N-(5-(((cyclopropylmethyl)amino) (phenyl)methyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

5. The compound of claim 3 , wherein the compound is (−)-1-(3-(aminomethyl)phenyl)-N-(5-(((cyclopropylmethyl)amino) (phenyl)methyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

6. The compound of claim 1 , wherein the compound is

and wherein the pharmaceutically acceptable salt thereof is a hydrochloride salt.

7. The compound of claim 6 , wherein the compound is (+)-1-(3-(aminomethyl)phenyl)-N-(5-((3-cyanophenyl) (cyclopropylmethylamino)methyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

8. The compound of claim 6 , wherein the compound is (−)-1-(3-(aminomethyl)phenyl)-N-(5-((3-cyanophenyl) (cyclopropylmethylamino)methyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

9. The compound of claim 1 , wherein the compound is

and wherein the pharmaceutically acceptable salt thereof is a hydrochloride salt.

10. The compound of claim 9 , wherein the compound is (+)-1-(3-(aminomethyl)phenyl)-N-(5-((cyclopropylmethylamino) (2-hydroxyphenyl)methyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

11. The compound of claim 9 , wherein the compound is (−)-1-(3-(aminomethyl)phenyl)-N-(5-((cyclopropylmethylamino) (2-hydroxyphenyl)methyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

12. The compound of claim 1 , wherein the compound is

and wherein the pharmaceutically acceptable salt thereof is a hydrochloride salt.

13. The compound of claim 12 , wherein the compound is (+)-1-(3-(aminomethyl)phenyl)-N-(5-((3-aminophenyl) (cyclopropylmethoxy)methyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

14. The compound of claim 12 , wherein the compound is (−)-1-(3-(aminomethyl)phenyl)-N-(5-((3-aminophenyl) (cyclopropylmethoxy)methyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

15. The compound of claim 1 , wherein the compound is

and wherein the pharmaceutically acceptable salt thereof is a hydrochloride salt.

16. The compound of claim 15 , wherein the compound is (+)-1-(3-(aminomethyl)phenyl)-N-(5-((4-cyanophenyl) (cyclopropylmethoxy)methyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

17. The compound of claim 15 , wherein the compound is (−)-1-(3-(aminomethyl)phenyl)-N-(5-((4-cyanophenyl) (cyclopropylmethoxy)methyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

18. The compound of claim 1 , wherein the compound is

and wherein the pharmaceutically acceptable salt thereof is a hydrochloride salt.

19. The compound of claim 18 , wherein the compound is (+)-1-(3-(aminomethyl)phenyl)-N-(5-(3-cyclopropyl-1-hydroxy-1-(pyridin-3-yl) propyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

20. The compound of claim 18 , wherein the compound is (−)-1-(3-(aminomethyl)phenyl)-N-(5-(3-cyclopropyl-1-hydroxy-1-(pyridin-3-yl) propyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

21. The compound of claim 1 , wherein the compound is

and wherein the pharmaceutically acceptable salt thereof is a hydrochloride salt.

22. The compound of claim 21 , wherein the compound is (+)-1-(3-(aminomethyl)phenyl)-N-(5-(3-cyclopropyl-1-hydroxy-1-(pyridin-2-yl) propyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

23. The compound of claim 21 , wherein the compound is (−)-1-(3-(aminomethyl)phenyl)-N-(5-(3-cyclopropyl-1-hydroxy-1-(pyridin-2-yl) propyl)-2-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

24. The compound of claim 1 , wherein the compound is

and wherein the pharmaceutically acceptable salt thereof is a hydrochloride salt.

25. The compound of claim 24 , wherein the compound is (+)-N-(5-(1-amino-3-cyclopropyl-1-(pyridin-2-yl) propyl)-2-fluorophenyl)-1-(3-(aminomethyl)phenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

26. The compound of claim 24 , wherein the compound is (−)-N-(5-(1-amino-3-cyclopropyl-1-(pyridin-2-yl) propyl)-2-fluorophenyl)-1-(3-(aminomethyl)phenyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide; and wherein the pharmaceutically acceptable salt thereof is a di-hydrochloride salt.

Assignments (4)
SECURITY INTEREST Recorded Jan 23, 2026
From: BIOCRYST PHARMACEUTICALS, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 074485/0651 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENT COLLATERAL RECORDED AT REEL 067400/FRAME 0038 Recorded Oct 8, 2025
From: BIOPHARMA CREDIT PLC
To: BIOCRYST PHARMACEUTICALS, INC.
Reel/Frame 073056/0508 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 11, 2024
From: KOTIAN, PRAVIN L.; BABU, YARLAGADDA S.; WU, MINWAN; CHINTAREDDY, VENKAT R.; KUMAR, V. SATISH; ZHANG, WEIHE
To: BIOCRYST PHARMACEUTICALS, INC.
Reel/Frame 067691/0485 →
PATENT SECURITY AGREEMENT Recorded May 14, 2024
From: BIOCRYST PHARMACEUTICALS, INC.
To: BIOPHARMA CREDIT PLC
Reel/Frame 067400/0038 →
Continuity (8)
Continuation 17543929 · Dec 7, 2021
Continuation 16845833 · Apr 10, 2020
Continuation 16400798 · May 1, 2019
Continuation 15977129 · May 11, 2018
Continuation 15123059
Provisional Application 61981515 · Apr 18, 2014
Provisional Application 61949808 · Mar 7, 2014
Related Publication 20240150296A1 · May 9, 2024