Antihistaminic piperidine derivatives and intermediates for the preparation thereof
US6683094B2 · kind B2 · utility
1Cited by
19References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2002 |
| Grant date | Jan 27, 2004 |
| Priority date | — |
| Expiry date | Jun 12, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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.