Pharmacologically active catechol derivatives
US6121303A · kind A · utility
2Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1999 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Feb 23, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D263/46
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of formula I ##STR1## wherein R.sub.1 is nitro, halogeno or cyano group and R.sub.2 is a group selected from ##STR2## wherein Y and Z are independently oxygen, sulfur or NR, wherein R is hydrogen, straight or branched C.sub.1-8 alkyl, C.sub.5-7 cycloalkyl, phenylC.sub.1-8 alkyl or phenyl group and X.sub.1 and X.sub.2 are NR, where R is hydrogen, straight or branched C.sub.1-8 alkyl, C.sub.5-7 cycloalkyl, phenylC.sub.1-8 alkyl or phenyl group, or a pharmaceutically acceptable salt or ester thereof. Pharmaceutical compositions are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.