N-substituted-amido-amino acids
US4496542A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1983 |
| Grant date | Jan 29, 1985 |
| Priority date | — |
| Expiry date | Apr 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.