Nitrile-containing antiviral compounds
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.
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.