Oxygen-containing heterocyclic compounds
US6376535B2 · kind B2 · utility
5Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2001 |
| Grant date | Apr 23, 2002 |
| Priority date | — |
| Expiry date | Mar 1, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D407/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to oxygen-containing heterocyclic compounds represented by the following formula (I): wherein m represents an integer of 0 to 4; R1, R2, R3 and R4 independently represent a hydrogen atom, substituted or unsubstituted lower alkyl, etc.; R5 represents substituted or unsubstituted lower alkoxy etc.; R6 represents a hydrogen atom etc.; and Y represents the following formula (II): wherein R9 represents cyano etc., R10 represents a hydrogen atom etc., R11 represents carboxy etc., and R12 represents a hydrogen atom etc.; and the like; orpharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.