PAR-2 antagonists
US8268789B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2005 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Dec 27, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds represented by the general formula (1) or salts thereof or solvates of both; PAR-2 antagonists containing the compounds; and preventive or therapeutic agents for PAR-2 related diseases containing the antagonists as the active ingredient: (1) wherein R1 is hydrogen, halogeno, or a group represented by the general formula (2): (wherein R11 is straight-chain or branched C1-6 alkylene or the like; and R12 and R13 together with the nitrogen atom adjacent to them form a 5- to 7-membered ring); R2 is straight-chain or branched C1-6 alkyl or the like; R3 and R4 are each independently hydrogen, one to three halogen atoms, or the like; and A1-A2-A3 is a tripeptide residue composed of α-amino acids each independently selected from the group consisting of glycine, alanine, cyclohexylalanine, and so on.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.