Phenylacetamide derivative analgesics
US4212878A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 1978 |
| Grant date | Jul 15, 1980 |
| Priority date | — |
| Expiry date | Jan 26, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D317/72
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
N-[(1-Amino-4-(mono or di-oxygen-group-substituted)cyclohex-1-yl)methyl]phenylacetamide derivatives of the formula 1 ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3, P, Q, X and Y are defined in the specification, e.g., 2-(3,4-dichlorophenyl)-N-[[8-(1-pyrrolidinyl)-1,4-dioxaspiro[4.5]dec.-8-yl ]methyl]acetamide, and their pharmacologically acceptable salts, have analgesic drug properties with lower physical dependence liability characteristics than morphine or methadone, for use as analgesic drugs in mammalian animals including humans.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.