IP Library Granted Patent US 11,351,149
Granted Patent B2
US 11,351,149 · App. 17/395,139 · Granted Jun 7, 2022

Nitrile-containing antiviral compounds

Inventors: Dafydd Rhys Owen (Concord, MA); Martin Youngjin Pettersson (Littleton, MA); Matthew Richard Reese (Mystic, CT); Matthew Forrest Sammons (Quincy, MA); Jamison Bryce Tuttle (Marblehead, MA); Patrick Robert Verhoest (Newton, MA); Liuqing Wei (Ledyard, CT); Qingyi Yang (Lexington, MA); Xiaojing Yang (Waterford, CT)
Assignee: Pfizer Inc.
A61K31/403A61K31/427A61P31/14C07D403/12C07B2200/13
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Quick Facts
Patent No.
US 11,351,149
App. No.
17/395,139
Granted
Jun 7, 2022
Kind
B2
Abstract

The invention relates to compounds of Formula I″ wherein R, R 1 , R 2 , R 3 , p, q and q′ are as defined herein, pharmaceutical compositions comprising the compounds, methods of treating coronavirus infection such as COVID-19 in a patient by administering therapeutically effective amounts of the compounds, and methods of inhibiting or preventing replication of coronaviruses such as SARS-CoV-2 with the compounds.

Claims (29)

1. The compound (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide having the structure

or a solvate or hydrate thereof.

2. The compound of claim 1 which is crystalline (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide.

3. The compound of claim 2 which is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide, Solid Form 1, which is characterized by a powder X-ray diffraction pattern substantially as shown in FIG. 3 and comprising diffraction peaks 7.6, 9.8, 11.4, 11.9, 12.7, 15.7, 15.8, 17.3, 17.8, 18.3, 18.9, 19.7, 19.9, 20.5, 21.0, 21.7, 22.2, 22.5, 23.1, 23.6, 24.7, 25.3, 27.0, 27.2, 27.9, 28.1, 29.5, 32.6, 35.7 and 37.0 degrees two theta, wherein each peak is ±0.2 degrees two theta.

4. The compound of claim 2 which is characterized by a solid-state 19 F NMR peak with a chemical shift at −73.3±0.1 ppm and solid-state 13 C NMR peaks with chemical shifts at 31.0±0.1 ppm, 27.9±0.1 ppm and 178.9±0.2 ppm.

5. The compound of claim 2 which is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide, Solid Form 4, which is characterized by a powder X-ray diffraction pattern substantially as shown in FIG. 6 and comprising diffraction peaks 7.6, 9.8, 10.8, 11.2, 11.4, 11.7, 12.0, 12.3, 12.7, 13.7, 14.9, 15.1, 15.9, 17.5, 18.0, 18.2, 18.5, 18.8, 20.0, 20.4, 20.7, 21.1, 21.6, 21.8, 22.3, 23.1, 23.4, 24.2, 24.9, 25.2, 26.1, 27.0, 27.2, 28.1, 28.9, 29.4, 29.5, 29.8, 30.0, 30.6, 30.8, 31.3, 31.8, 32.5, 32.8, 33.2, 33.4, 35.5, 35.6, 36.0, 36.4, 37.1, 38.7, 39.4, 39.5 and 39.8 degrees two theta, wherein each peak is +0.2 degrees two theta.

6. The compound of claim 2 which is characterized by one or more peaks selected from the group consisting of a solid-state 19 F NMR peak with chemical shift at −73.6±0.1 ppm and solid-state 13 C NMR peaks at 26.9±0.1 ppm, 21.6±0.1 ppm and 41.5±0.1 ppm.

7. The compound of claim 1 which is amorphous (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide.

8. The compound of claim 1 which is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide, methyl tert-butyl solvate.

9. The compound of claim 8 wherein the compound is crystalline.

10. The compound of claim 9 which is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide, methyl tert-butyl solvate, Solid Form 2, which is characterized by a powder X-ray diffraction pattern substantially as shown in FIG. 1 and comprising diffraction peaks 7.1, 10.5, 11.3, 11.8, 12.5, 12.9, 14.2, 15.7, 16.0, 16.8, 17.0, 18.5, 18.8, 19.1, 19.9, 20.2, 20.8, 21.1, 21.4, 21.7, 22.2, 23.1, 23.4, 23.7, 25.3, 27.3, 27.9, 28.3, 28.5, 29.1, 29.4, 30.2, 30.8, 32.0, 33.3, 33.8, 35.4, 36.4 and 36.1 degrees two-theta, wherein each peak is ±0.2 degrees two theta.

11. A pharmaceutical composition comprising the compound (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide having the structure

or a solvate or hydrate thereof together with a pharmaceutically acceptable carrier.

12. A method of treating a coronavirus infection in a patient, the method comprising administering a therapeutically effective amount of the compound (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide having the structure

or a solvate or hydrate thereof to a patient in need thereof.

13. The method of claim 12 wherein the coronavirus infection is COVID-19.

14. The pharmaceutical composition of claim 11 wherein the compound is crystalline (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide.

15. The pharmaceutical composition of claim 14 wherein the compound is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide, Solid Form 1, which is characterized by a solid-state 19 F NMR peak with a chemical shift at −73.3±0.1 ppm and solid-state 13 C NMR peaks with chemical shifts at 31.0±0.1 ppm, 27.9±0.1 ppm and 178.9±0.2 ppm.

16. The pharmaceutical composition of claim 14 wherein the compound is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide, Solid Form 4, which is characterized by one or more peaks selected from the group consisting of a solid-state 19 F NMR peak with a chemical shift at −73.6±0.1 ppm and solid-state 13 C NMR peaks with chemical shifts at 26.9±0.1 ppm, 21.6±0.1 ppm and 41.5±0.1 ppm.

17. The pharmaceutical composition of claim 11 wherein the compound is amorphous (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide.

18. The method of claim 12 wherein the compound is crystalline (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide.

19. The method of claim 18 wherein the compound is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide, Solid Form 1 which is characterized by a solid-state 19 F NMR peak with a chemical shift at −73.3±0.1 ppm and solid-state 13 C NMR peaks with chemical shifts at 31.0±0.1 ppm, 27.9±0.1 ppm and 178.9±0.2 ppm.

20. The method of claim 18 wherein the compound is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide, Solid Form 4 which is characterized by one or more peaks selected from the group consisting of a solid-state 19 F NMR peak with chemical shift at −73.6±0.1 ppm and solid-state 13 C NMR peaks at 26.9±0.1 ppm, 21.6±0.1 ppm and 41.5±0.1 ppm.

21. The method of claim 12 wherein the compound is amorphous (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide.

22. The compound (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide having the structure

23. The pharmaceutical composition according to claim 11 wherein the compound is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide having the structure

24. The method according to claim 12 wherein the compound is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide having the structure

25. The pharmaceutical composition of claim 14 wherein the compound is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide, Solid Form 1, which is characterized by a powder X-ray diffraction pattern substantially as shown in FIG. 3 and comprising diffraction peaks 7.6, 9.8, 11.4, 11.9, 12.7, 15.7, 15.8, 17.3, 17.8, 18.3, 18.9, 19.7, 19.9, 20.5, 21.0, 22.2, 22.5, 23.1, 23.6, 24.7, 25.3, 27.0, 27.2, 27.9, 28.1, 29.5, 32.6, 35.7 and 37.0 degrees two theta, wherein each peak is ±0.2 degrees two theta.

26. The pharmaceutical composition of claim 14 wherein the compound is (1R,2S,5S)-N-{(1S)-1-Cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide, Solid Form 4, which is characterized by a powder X-ray diffraction pattern substantially as shown in FIG. 6 and comprising diffraction peaks 7.6, 9.8, 10.8, 11.2, 11.4, 11.7, 12.0, 12.3, 12.7, 13.7, 14.9, 15.1, 15.9, 17.5, 18.0, 18.2, 18.5, 18.8, 20.0, 20.4, 20.7, 21.1, 21.6, 21.8, 22.3, 23.1, 23.4, 24.2, 24.9, 25.2, 26.1, 27.0, 27.2, 28.1, 28.9, 29.4, 29.5, 29.8, 30.0, 30.6, 30.8, 31.3, 31.8, 32.5, 32.8, 33.4, 35.5, 35.6, 36.0, 36.4, 37.1, 38.7, 39.4, 39.5 and 39.8 degrees two theta, wherein each peak is ±0.2 degrees two theta.

Assignments (1)
ASSIGNEE ADDRESS CORRECTION Recorded Mar 20, 2023
From: PFIZER INC.
To: PFIZER INC.
Reel/Frame 063119/0087 →
Continuity (5)
Provisional Application 63194241 · May 28, 2021
Provisional Application 63170158 · Apr 2, 2021
Provisional Application 63143435 · Jan 29, 2021
Provisional Application 63073982 · Sep 3, 2020
Related Publication 20220062232A1 · Mar 3, 2022
Cited By (1)
US 12,577,240