Heterocyclic P2X7 antagonists
US11623919B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 2018 |
| Grant date | Apr 11, 2023 |
| Priority date | — |
| Expiry date | Jun 18, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D495/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are compounds of formula (I) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions containing them, and to a process for the preparation of the compounds: R1 is independently selected from hydrogen atom, amine group, monocyclic or bicyclic aliphatic, aromatic, heteroaliphatic or heteroaromatic ring. R2 is independently selected from monocyclic or bicylic aliphatic, heteroaliphatic, aromatic or heteroaromatic ring, C1-C6 alkyl, alkenyl or alkynyl chain. n is 1 or 2; preferably n is 1. m is 0, 1 or 2; preferably m is 0. R3 and R4 can be, independently, —H, —F, C1-C4 alkyl, —OH, —OC1-C4 alkyl; preferably they are both —H. X is O or S. R5 is —H or —CH3 optionally substituted by one or more fluorine atoms; preferably R5 is hydrogen. The compounds can be used in the treatment of conditions or diseases mediated by P2X7 receptor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.