Patent · US Expired

N-substituted-amido-amino acids

US4496542A · kind A · utility

19Cited by
0References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 13, 1983
Grant dateJan 29, 1985
Priority date
Expiry dateApr 13, 2003

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K38/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Compounds of the formula ##STR1## wherein R and R.sub.9 are independently hydroxy and lower alkoxy, PA1 R.sub.1 and R.sub.2 are independently hydrogen, lower alkyl, aryl-lower alkyl having from 7 to 12 carbon atoms, or heterocyclic-lower alkyl having from 6 to 12 carbon atoms, PA1 R.sub.3, R.sub.4, R.sub.5, R.sub.7 and R.sub.8 are hydrogen or lower alkyl, PA1 R.sub.6 is heterocyclic and their pharmaceutically acceptable, nontoxic acid addition salts and where R or R.sub.9 or both are hydroxy, their pharmaceutically acceptable, nontoxic basic salts, possess antihypertensive activity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.