Patent · US Expired

Sodium .beta.-[2,6-dimethyl-3,5-bis(ethoxycarbonyl)-4-(3-nitrophenyl)-1,4-dihyd ropyridine-1-yl]ethyl sulfate

US4021434A · kind A · utility

8Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 1975
Grant dateMay 3, 1977
Priority date
Expiry dateAug 21, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D405/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel 1-substituted-1, 4-dihydropyridine derivatives, particularly diethyl 1-ethoxymethyl-4-(3-nitrophenyl)-2, 6-dimethyl-1, 4-dihydropyridine-3,5-dicarboxylate are provided. The novel derivatives have cerebral vascular dilator activity with low toxicity.

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