Patent · US Expired

Phenylacetamide derivative analgesics

US4212878A · kind A · utility

49Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 26, 1978
Grant dateJul 15, 1980
Priority date
Expiry dateJan 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.