Piperazine derivatives
US5670505A · kind A · utility
47Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1994 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Nov 28, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A piperazine compound of the formula: ##STR1## wherein: X is carbonyl or sulfonyl; Y is a direct bond or lower alkylene; and R.sub.1, R.sub.2, R.sub.3, R.sub.4 are as defined herein. The compounds are advantageously used as Tachykinin antagonists in the treatment of respiratory diseases, ophthalmic diseases and inflammatory diseases, for example.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.