Difluorocarbene radiosynthesis
US-2024383827-A1 · Nov 21, 2024 · US
US9751870B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9751870-B2 |
| Application number | US-201514802469-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 17, 2015 |
| Priority date | Jan 17, 2013 |
| Publication date | Sep 5, 2017 |
| Grant date | Sep 5, 2017 |
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The invention relates to the use of a compound of formula I wherein A 1 is phenyl or a five or six membered hereroaryl group, containing 1, 2 or 3 heteroatoms, selected from N or S; R 1 is hydrogen, lower alkyl, halogen, lower alkyl substituted by halogen or cycloalkyl; A 2 is phenyl; R 2 is halogen, lower alkyl, lower alkyl substituted by halogen, lower alkoxy substituted by halogen, cyano, S-lower alkyl substituted by halogen, S(O) 2 -lower alkyl substituted by halogen; n is 1 or 2; or a pharmaceutically acceptable acid addition salt, or a racemic mixture or its corresponding enantiomer and/or optical isomers thereof, for the treatment of autism, stress, including post traumatic stress disorder, anxiety, including anxiety disorders and depression, schizophrenia, psychiatric disorders and memory loss, alcohol withdrawal, drug addiction and for the treatment of Prader-Willi Syndrome.
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The invention claimed is: 1. A method of treating a condition selected from the group consisting of autism, stress, post traumatic stress disorder, anxiety disorders, depression, schizophrenia, psychiatric disorders, memory loss, alcohol withdrawal, drug addiction and Prader-Willi Syndrome, comprising administering a compound of formula I wherein A 1 is phenyl or a five or six membered heteroaryl group, containing 1, 2 or 3 heteroatoms, selected from N or S; R 1 is hydrogen, lower alkyl, halogen, lower alkyl substituted by halogen or cycloalkyl; A 2 is phenyl; R 2 is halogen, lower alkyl, lower alkyl substituted by halogen, lower alkoxy substituted by halogen, cyano, S-lower alkyl substituted by halogen, S(O) 2 -lower alkyl substituted by halogen; n is 1 or 2; or a pharmaceutically acceptable acid addition salt, a racemic mixture or its corresponding enantiomer and/or optical isomers thereof, to a patient in need thereof. 2. A method of treating a condition selected from the group consisting of autism, stress, post traumatic stress disorder, anxiety disorders, depression, schizophrenia, psychiatric disorders, memory loss, alcohol withdrawal, drug addiction and Prader-Willi Syndrome, comprising administering a compound selected from the group consisting of 4-Chloro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide N-(2-Pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide 4-Ethyl-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-Propyl-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 2-Chloro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide 4-Difluoromethoxy-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-Chloro-N-[2-(4-fluoro-phenyl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Cyano-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide N-[2-(4-Methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-4-trifluoromethyl-benzenesulfonamide 4-Chloro-N-[2-(4-methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Ethyl-N-[2-(4-methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide N-(2-Pyrimidin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide 2,4-Dichloro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-Chloro-2-fluoro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-(1-Fluoro-ethyl)-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide N-[2-(4-Methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-4-trifluoromethyl-benzenesulfonamide 4-Chloro-N-[2-(4-methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Ethyl-N-[2-(4-methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Cyano-N-[2-(4-methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide N-(2-Pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethylsulfanyl-benzenesulfonamide 4-Trifluoromethyl-N-[2-(2-trifluoromethyl-pyrimidin-4-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 2-Fluoro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide N-(2-Pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethanesulfonyl-benzenesulfonamide 3-Fluoro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide N-[2-(3-Cyclopropyl-[1,2,4]thiadiazol-5-yl)-2H-pyrazol-3-yl]-4-ethyl-benzenesulfonamide and 4-Chloro-2-fluoro-N-[2-(4-methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide to a patient in need thereof. 3. A pharmaceutical composition comprising a compound selected from the group consisting of 4-Chloro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide N-(2-Pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide 4-Ethyl-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-Propyl-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 2-Chloro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide 4-Difluoromethoxy-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-Chloro-N-[2-(4-fluoro-phenyl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Cyano-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide N-[2-(4-Methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-4-trifluoromethyl-benzenesulfonamide 4-Chloro-N-[2-(4-methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Ethyl-N-[2-(4-methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide N-(2-Pyrimidin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide 2,4-Dichloro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-Chloro-2-fluoro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-(1-Fluoro-ethyl)-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide N-[2-(4-Methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-4-trifluoromethyl-benzenesulfonamide 4-Chloro-N-[2-(4-methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Ethyl-N-[2-(4-methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Cyano-N-[2-(4-methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide N-(2-Pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethylsulfanyl-benzenesulfonamide 4-Trifluoromethyl-N-[2-(2-trifluoromethyl-pyrimidin-4-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 2-Fluoro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide N-(2-Pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethanesulfonyl-benzenesulfonamide 3-Fluoro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide N-[2-(3-Cyclopropyl-[1,2,4]thiadiazol-5-yl)-2H-pyrazol-3-yl]-4-ethyl-benzenesulfonamide and 4-Chloro-2-fluoro-N-[2-(4-methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide, or a pharmaceutically acceptable acid addition salt, a racemic mixture or its corresponding enantiomer and/or optical isomers thereof, and a therapeutically inert carrier. 4. A compound selected from the group consisting of 4-Chloro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide N-(2-Pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide 4-Ethyl-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-Propyl-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 2-Chloro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide 4-Difluoromethoxy-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-Chloro-N-[2-(4-fluoro-phenyl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Cyano-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide N-[2-(4-Methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-4-trifluoromethyl-benzenesulfonamide 4-Chloro-N-[2-(4-methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Ethyl-N-[2-(4-methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide N-(2-Pyrimidin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide 2,4-Dichloro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-Chloro-2-fluoro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide 4-(1-Fluoro-ethyl)-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-benzenesulfonamide N-[2-(4-Methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-4-trifluoromethyl-benzenesulfonamide 4-Chloro-N-[2-(4-methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Ethyl-N-[2-(4-methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 4-Cyano-N-[2-(4-methyl-pyridin-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide N-(2-Pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethylsulfanyl-benzenesulfonamide 4-Trifluoromethyl-N-[2-(2-trifluoromethyl-pyrimidin-4-yl)-2H-pyrazol-3-yl]-benzenesulfonamide 2-Fluoro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide N-(2-Pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethanesulfonyl-benzenesulfonamide 3-Fluoro-N-(2-pyridin-2-yl-2H-pyrazol-3-yl)-4-trifluoromethyl-benzenesulfonamide N-[2-(3-Cyclopropyl-[1,2,4]thiadiazol-5-yl)-2H-pyrazol-3-yl]-4-ethyl-benzenesulfonamide and 4-Chloro-2-fluoro-N-[2-(4-methyl-thiazol-2-yl)-2H-pyrazol-3-yl]-benzenesulfonamide or a pharmaceutically acceptable acid addition salt, a racemic mixture or its corresponding enantiomer and
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