Pyrazolo[1,5-a]pyridine-3-carboxylic acid derivatives and their pharmaceutical use
US5200415A · kind A · utility
1Cited by
2References
8Claims
0Family size
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Key dates
| Filing date | Oct 29, 1991 |
| Grant date | Apr 6, 1993 |
| Priority date | — |
| Expiry date | Oct 29, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D519/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Described herein are pyrazolo[1,5-a]pyridine-3-carboxylic acid derivatives represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 individually mean a hydrogen atom or a lower alkyl group, R.sub.3 denotes an azabicyclo group containing a tertiary nitrogen atom, and Y stands for --O-- or --NH--, or salts thereof. Their preparation process and serotonin receptor antagonists containing them as active ingredients are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.