Patent · US Expired

Circulation-active novel chromone- and thiochromone-substituted 1,4-dihydropyridine-lactones

US4555512A · kind A · utility

6Cited by
0References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 1984
Grant dateNov 26, 1985
Priority date
Expiry dateMar 14, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/0812
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Dihydropyridines of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.5 and R.sup.6 can be hydrogen or various halogen or organic radicals, PA0 R.sup.4 is an optionally substituted hydrocarbon radical, PA0 A is a direct bond, a C.sub.1 -C.sub.20 -alkylene chain or a C.sub.2 -C.sub.20 -alkenylene chain, which chains are optionally interrupted by O or S PA0 X is O or S, and PA0 Y is a direct bond, O, S, --NH--or--N-alkyl with 1 to 8 C atoms PA0 or a pharmaceutically acceptable salt, are useful as cardiotonic agents for improving heart contractility, antihypotonic agents, for lowering the blood sugar level, for detumescing mucous membranes and for influencing the salt and/or liquid balance.

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