Antihistaminic piperidine derivatives and intermediates for the preparation thereof
US6407119B1 · kind B1 · utility
0Cited by
20References
10Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 27, 2000 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Nov 27, 2020 |
Classification
- Technology area (CPC —)General
Abstract
This invention relates to novel piperidine derivatives of formula (I) and a process for the preparation thereof. whereinR1 is H or C1-C6alkyl wherein the C1-C6alkyl moiety is straight or branched;R2 is —COOH or —COOalkyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched; orstereoisomers or pharmaceutically acceptable acid addition salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.