Patent · US Expired

Antihypertensive lactams

US4766210A · kind A · utility

0Cited by
3References
18Claims
0Family size

Inventors

Key dates

Filing dateJul 29, 1981
Grant dateAug 23, 1988
Priority date
Expiry dateJul 29, 2001

Classification

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

Abstract

Antihypertensive compounds of the structure ##STR1## wherein: n is an integer from 0 to 2 inclusive, PA0 R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, and R.sub.7 are independently hydrogen, alkyl having from 1 to 6 carbon atoms, alkenyl having from 2 to 6 carbon atoms, alkynyl having from 2 to 6 carbon atoms, cycloalkyl having from 3 to 16 carbon atoms, phenyl, benzyl, tolyl, naphthyl, phenethyl, indanyl, tetrahydronaphthyl, decahydronaphthyl, pyridyl, quinolyl, pyrrolidyl, pyrrolyl, morpholinyl, thiomorpholinyl, furyl, furfuryl, tetrahydrofurfuryl, benzimidazole, thienyl, imidolyl, or tetrahydroindolyl, and where the R.sub.1 to R.sub.7 groups are alkyl, said groups carrying a substituent selected from hydroxy, alkoxy, amino, carboxy, or carbalkoxy, the alkyl group in alkoxy and carbalkoxy having from 1 to 6 carbon atoms, or R.sub.2 taken together with R.sub.3 and the carbons to which they are attached is tetrahydronapthyl or phenyl, and when phenyl R.sub.1 and R.sub.4 are absent, or R.sub.6 and R.sub.7 taken together with the carbon to which R.sub.6 is attached and the nitrogen to which R.sub.7 is attached form a heterocycle selected from pyrrolidyl, thiazolidine, tetrahy…

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