N-substituted butyramide derivatives useful for treatment of conditions responsive to inhibition of enkephalinase
US4939261A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 17, 1987 |
| Grant date | Jul 3, 1990 |
| Priority date | — |
| Expiry date | Sep 17, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J41/0055
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed are compounds of the formula ##STR1## wherein X and Y independently represent hydroxymethyl; cyano; carboxy; functionally modified carboxy selected from esterified carboxy, carbamoyl, and N-substituted carbamoyl; 5-tetrazolyl; 2-oxazolyl, 4,5-dihydro-2-oxazolyl, 2-imidazolyl or 4,5-dihydro-2-imidazolyl or any said grouping substituted by lower alkyl; R and R.sub.0 independently represent hydrogen, lower alkyl, (C.sub.3 -C.sub.7)-cycloalkyl-lower alkyl, or aryl-lower alkyl in which aryl represents phenyl, pyridyl, thienyl, furyl, biphenyl or naphthyl, each unsubstituted or mono- or di-substituted by halogen, lower alkyl, hydroxy, acyloxy, lower alkoxy, trifluoromethyl or cyano; A represents straight chain (C.sub.2 -C.sub.5)-alkylene; or A represents straight chain (C.sub.2 -C.sub.5)-alkylene substituted by lower alkyl, by lower alkylthio-lower alkyl, by hydroxy-lower alkyl, by acyloxy-lower alkyl, by lower alkoxy-lower alkyl, by amino or acyl-amino, by amino-lower alkyl, by acylamino-lower alkyl, by (C.sub.3 -C.sub.7)-cycloalkyl, by (C.sub.3 -C.sub.7)-cycloalkyl-lower alkyl, by aryl or aryl-lower alkyl in which aryl represents phenyl or phenyl mono- or disubstituted by hal…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.