Benzomorphanes
US3936463A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1973 |
| Grant date | Feb 3, 1976 |
| Priority date | — |
| Expiry date | Dec 3, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D221/26
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Benzomorphanes of the formula: ##SPC1## Wherein PA1 R is cyclopropylmethyl or cyclobutylmethyl; PA1 R.sup.1 and R.sup.2 are the same or different and each is lower alkyl; PA1 R.sup.3 is hydrogen; a straight, branched or cyclic, saturated, partially unsaturated or unsaturated aliphatic hydrocarbon unsubstituted or substituted by 1 or more substituents selected from the group consisting of lower alkoxy, lower alkoxycarbonyl, lower alkylmercapto, aryloxy, arylmercapto, arylamino, and an acid amide; an unsubstituted or substituted aromatic moiety; an unsubstituted or substituted 5-, 6- or 7-membered heterocyclic ring; lower alkylamino; di(lower alkyl)amino; arylamino; lower alkyl-arylamino; lower alkoxy; urethane; an acid amide; lower alkoxycarbonylamino; or lower alkoxycarbonyl-lower alkylamino; and PA1 A is a bivalent, straight- or branched-chain, saturated, partially unsaturated or unsaturated hydrocarbon of 2 to 10 carbon atoms, unsubstituted or substituted by phenyl or by phenyl substituted by at least 1 substituent selected from the group consisting of lower alkyl, lower alkoxy, nitro, amino and halogen, And pharmaceutically acceptable nontoxic salts thereof, are useful as analge…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.