Benzopyran or thiobenzopyran derivatives
US7074819B2 · kind B2 · utility
0Cited by
15References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2003 |
| Grant date | Jul 11, 2006 |
| Priority date | — |
| Expiry date | Oct 12, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a novel benzopyran or thiobenzopyran derivative represented by formula (1): pharmaceutically acceptable salt or stereoisomer thereof, in which X, R1, R2, R3, R4 and A are defined as described in the specification, and to a process for preparation thereof and a pharmaceutical composition having anti-estrogenic activity which contains the compound (1) as an active component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.