1-Phenyl-4-amino-cyclohex-2-ene-1-carboxylic acid ethyl esters
US3957851A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1972 |
| Grant date | May 18, 1976 |
| Priority date | — |
| Expiry date | Feb 15, 1992 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/46
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to 1-phenyl-4-amino-cyclohex-2-ene-1-carboxylic-acid-esters of the general formula I ##SPC1## wherein R.sub.1 and R.sub.2 may be the same or different and may be H, alkyl, hydroxyalkyl, alkenyl, preferably with 1 to 4 C-atoms, aralkyl which may be bonded to each other, in which connection the heterocyclic system formed may be substituted further by the OH-- group and where attachment takes place by an oxygen or a nitrogen atom, if desired, which in its turn carries an H, alkyl with 1 to 4 C-atoms, aryl which may be substituted by chlorine, preferably in 3 or 4-position, and by methoxy, preferably in 2 or 4-position, acyl, preferably alkanoyl with 1 to 4 C-atoms, and aroyl, or aralkyl, and R.sub.3 represents an alkyl radical with 1 to 4 C-atoms, the salts thereof and quarternary ammonium compounds, and a process for their preparation. These compounds have analgesic and neuroleptic properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.