Benzhydryloxyethylpiperidine derivatives, process for their preparation and pharmaceutical compositions, in which they are present
US4983614A · kind A · utility
3Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1988 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Dec 28, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/70
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to benzhydryloxyethylpiperidine derivatives corresponding to one of the formulae below: ##STR1## in which: R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which are identical or different, represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryloxy group or the trifluoromethyl group, PA0 R represents hydrogen, a cation, an alkyl group, an aryl group or an arylalkyl group, and PA0 n is equal to 0 or 1, and their pharmaceutically acceptable salts, useful in the treatment of spasmodic states and allergies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.