Piperidine derivatives
US4248876A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 3, 1978 |
| Grant date | Feb 3, 1981 |
| Priority date | — |
| Expiry date | Jan 3, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/74
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention concerns novel piperidine derivatives of the formula (I) ##STR1## and the pharmaceutically acceptable acid addition salts thereof, wherein R.sup.1 represents (lower)alkyl, R.sup.2 represents a phenyl group optionally substituted by one or more (lower)alkyl, (lower)alkoxy, halogen, amino, (lower)alkylamino, di(lower)alkylamino or trifluoromethyl substituents and X represents=O; ##STR2## [where R.sup.3 and R.sup.4 both represent hydrogen, both represent the same (lower)alkyl or one is hydrogen and the other is (lower)alkyl or R.sup.3 and R.sup.4 together represent an alkylene group such that the ##STR3## is a cyclic ketal group containing 2 or 3 carbon atoms]; or ##STR4## [where OR is hydroxy, etherified hydroxy or esterified hydroxy]. The compounds possess anti-depressant activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.