Azetidine-substituted pyridine and pyrazine compounds as inhibitors of cannabinoid receptor 2
US-12180196-B2 · Dec 31, 2024 · US
USRE48334E · US · E1
| Field | Value |
|---|---|
| Publication number | US-RE48334-E |
| Application number | US-200915445251-A |
| Country | US |
| Kind code | E1 |
| Filing date | Sep 18, 2009 |
| Priority date | Sep 19, 2008 |
| Publication date | Dec 1, 2020 |
| Grant date | Dec 1, 2020 |
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The present invention relates to a compound represented by the formula wherein ring A is a nitrogen-containing heterocycle; ring B is an aromatic ring optionally having substituent(s); ring D is an aromatic ring optionally having substituent(s); L is a group represented by the formula R 2 , R 3 , R 4a and R 4b are each independently a hydrogen atom, an optionally halogenated C 1-6 alkyl group or an optionally halogenated C 3-6 cycloalkyl group, or R 2 and R 3 are optionally bonded via an alkylene chain or an alkenylene chain, or R 4a and R 4b are optionally bonded via an alkylene chain or an alkenylene chain; R 1 is a hydrogen atom or a substituent; m and n are each independently an integer of 0 to 5; m+n is an integer of 2 to 5; and is a single bond or double bond, or a salt thereof; and the like. The compound has a superior tachykinin receptor antagonistic action, and is useful as an agent for the prophylaxis or treatment of various diseases such as lower urinary tract diseases, digestive tract diseases, central neurological disease and the like.
Opening claim text (preview).
The invention claimed is: 1. A compound represented by the formula wherein: ring A is a piperidine ring or a pyrrolidine ring and each straight line is a single bond and is a single bond; ring B is an aromatic ring optionally having substituent(s); ring D is an aromatic ring optionally having substituent(s), wherein 6-quinolyl is excluded; L is a group represented by the formula R 2 , R 3 , R 4a and R 4b are each independently a hydrogen atom, an optionally halogenated C 1-6 alkyl group or an optionally halogenated C 3-6 cycloalkyl group, or R 2 and R 3 are optionally bonded via an alkylene chain or an alkenylene chain, or R 4a and R 4b are optionally bonded via an alkylene chain or an alkenylene chain; R 1 is a hydrogen atom or a substituent; m and n are each independently an integer of 0 to 3; and m+n is an integer of 2 to 3; provided that when L is a group represented by the formula wherein each of R 4a and R 4b is as defined above, then ring D is an aromatic ring having substituent(s); excluding: N-[4-(biphenyl-4-yl)piperidin-3-yl]-N′-(naphthalen-2-yl)urea; or a salt thereof. 2. The compound or salt according to claim 1 , wherein ring B is a phenyl group optionally having substituent(s) or a pyridyl group optionally having substituent(s). 3. The compound or salt according to claim 1 , wherein ring B is a phenyl group optionally having substituent(s) or a thienyl group optionally having substituent(s). 4. The compound or salt according to claim 1 , wherein ring D is a phenyl group optionally having substituent(s). 5. The compound or salt according to claim 1 , wherein R 1 is a hydrogen atom, a hydrocarbon group optionally having substituent(s), an acyl group, a heterocyclic group optionally having substituent(s), or a group represented by —NR 5 R 6 wherein R 5 and R 6 are each independently a hydrogen atom, a hydrocarbon group optionally having substituent(s) or an acyl group, or R 5 and R 6 optionally form, together with the adjacent nitrogen atom, a nitroso group (—N═O). 6. The compound or salt according to claim 1 , wherein R 2 is a hydrogen atom or a C 1-6 alkyl group. 7. The compound or salt according to claim 1 , wherein L is a group represented by the formula wherein R 3′ is a hydrogen atom or a C 1-6 alkyl group. 8. The compound or salt according to claim 1 , wherein A compound represented by the formula wherein: ring A is a piperidine ring or a pyrrolidine ring and each straight line is a single bond and is a single bond; ring B is an aromatic ring optionally having substituent(s); ring D is a 3,5-bis(trifluoromethyl)phenyl group or a 3,5-dichlorophenyl group; L is a group represented by the formula R 2 , R 3 , R 4a and R 4b are each independently a hydrogen atom, an optionally halogenated C 1-6 alkyl group or an optionally halogenated C 3-6 cycloalkyl group, or R 2 and R 3 are optionally bonded via an alkylene chain or an alkenylene chain, or R 4a and R 4b are optionally bonded via an alkylene chain or an alkenylene chain; R 1 is a hydrogen atom or a substituent; m and n are each independently an integer of 0 to 3; and m+n is an integer of 2 to 3. 9. Methyl 4-{[(3S,4R)-3-[{[3,5-bis(trifluoromethyl)phenyl](methyl)carbamoyl}(methyl)amino]-4-(4-fluorophenyl)pyrrolidin-1-yl]carbonyl}piperidine-1-carboxylate, or a salt thereof. 10. 1-[(3S,4R)-4-(4-Chlorophenyl)-1-{[4-(methylsulfonyl)piperazin-1-yl]carbonyl}pyrrolidin-3-yl]-3-(3,5-dichlorophenyl)-1,3-dimethylurea, or a salt thereof. 11. 1-[3,5-Bis(trifluoromethyl)phenyl]-3-[(3S,4R)-4-(5-fluoropyridin-2-yl)-1-({trans-4-[5-(trifluoromethyl)-1H-tetrazol-1-yl]cyclohexyl}carbonyl)pyrrolidin-3-yl]-1,3-dimethylurea, or a salt thereof. 12. A pharmaceutical composition comprising the compound or salt according to claim 1 and a pharmaceutically acceptable carrier. 13. A method of antagonizing an NK1 receptor in a mammal, comprising administering the pharmaceutical composition according to claim 12 to the mammal. 14. The method according to claim 13 , wherein the method further antagonizes an NK2 receptor and/or an NK3 receptor. 15. A method of antagonizing an NK2 receptor in a mammal, comprising administering the pharmaceutical composition according to claim 12 to the mammal. 16. The method according to claim 15 , wherein the method further antagonizes an NK1 receptor and/or an NK3 receptor. 17. A method for the treatment of vomiting, nausea, depression, anxiety neurosis, or anxiety, comprising administering an effective amount of the a compound represented by the formula or salt according to claim 1 thereof to a mammal, wherein: ring A is a piperidine ring or a pyrrolidine ring and each straight line is a single bond and is a single bond; ring B is an aromatic ring optionally having substituent(s); ring D is an aromatic ring optionally having substituent(s), wherein 6-quinolyl is excluded; L is a group represented by the formula R 2 , R 3 , R 4a and R 4b are each independently a hydrogen atom, an optionally halogenated C 1-6 alkyl group or an optionally halogenated C 3-6 cycloalkyl group, or R 2 and R 3 are optionally bonded via an alkylene chain or an alkenylene chain, or R 4a and R 4b are optionally bonded via an alkylene chain or an alkenylene chain; R 1 is a hydrogen atom or a substituent; m and n are each independently an integer of 0 to 3; and m+n is an integer of 2 to 3; provided that when L is a group represented by the formula wherein each of R 4a and R 4b is as defined above, then ring D is an aromatic ring having substituent(s); excluding: N-[4-(biphenyl-4-yl)piperidin-3-yl]-N′-(naphthalen-2-yl)urea. 18. A compound represented by the formula wherein: ring B is an aromatic ring optionally having substituent(s); ring D is a phenyl optionally having substituent(s) or an aromatic heterocyclic group optionally having substituent(s), wherein 6-quinolyl is excluded; R 2 and R 3 are each independently a hydrogen atom, a halogenated C 1-6 alkyl group or an optionally halogenated C 3-6 cycloalkyl group, or R 2
linked by a carbon chain containing alicyclic rings · CPC title
Nitrogen atoms not forming part of a nitro radical · CPC title
linked by a carbon chain containing only aliphatic carbon atoms · CPC title
linked by a carbon chain containing only aliphatic carbon atoms · CPC title
directly linked by a ring-member-to-ring-member bond · CPC title
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