Patent · US Expired

Antihypertensive lactams

US4347246A · kind A · utility

1Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 1980
Grant dateAug 31, 1982
Priority date
Expiry dateMay 15, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D281/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A compound of the formula ##STR1## wherein: R.sub.1 is independently lower alkyl having from 1 to 6 carbon atoms, lower alkenyl having from 2 to 6 carbon atoms, lower alkynyl having from 2 to 6 carbon atoms, hydroxy, hydroxyalkyl, alkoxy, thio, thioalkyl, alkylmercapto, amino, aminoalkyl, alkylamino, nitro, cyano, alkanoyl, carboxy, carboxyalkyl, carbalkoxy, carbalkoxyalkyl, halogen, alkylsulfoxy, alkylsulfonyl, sulfonyl, sulfonamido, trifluoromethyl, or methylenedioxy, wherein the alkyl group in hydroxyalkyl, thioalkyl, aminoalkyl, carboxyalkyl, alkoxy, alkylmercapto, alkylsulfoxy, alkanoyl, carbalkoxy, and carbalkoxyalkyl has from 1 to 6 carbon atoms, PA1 n is an integer from 1 to 4 inclusive, PA1 R.sub.2 is selected from the group consisting of hydrogen and cycloalkyl, wherein the cycloalkyl group contains from 3 to 16 carbon atoms, PA1 R.sub.3 and R.sub.4 are hydrogen, and PA1 Y is oxygen, sulphur, .dbd.NR.sub.1, .dbd.NOR.sub.1 or .dbd.N--NH.sub.2, R.sub.1 being the same as defined above. The compounds are useful as antihypertensives, and have angiotensin converting enzyme inhibitory activity.

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