Patent · US Expired

1,4-Dihydropyridine-3,5-dicarboxylic acid ester derivatives

US4423052A · kind A · utility

7Cited by
2References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 1982
Grant dateDec 27, 1983
Priority date
Expiry dateJun 1, 2002

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P9/12
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

1,4-Dihydropyridine-3,5-dicarboxylic acid ester derivatives represented by the formula ##STR1## (wherein Ar.sup.1 and Ar.sup.2 are each the same or different and represent an aryl group; R.sup.1 represents a lower alkyl group; R.sup.2 and R.sup.3 are each the same or different and represent a lower alkyl or aralkyl group; n is 1 or 2; and R.sup.4 represents a lower alkyl) or the acid addition salts thereof. These compounds are useful as antihypertensive agents and as agents for treating the disturbances of cardiac or cerebral circulation.

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