Patent · US Expired

Aryl cyanoguanidines: potassium channel activators and method of making same

US5011837A · kind A · utility

19Cited by
4References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 1989
Grant dateApr 30, 1991
Priority date
Expiry dateMay 8, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2602/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Novel compounds of the formula ##STR1## and tautomers thereof, wherein at least one of R.sub.2, R.sub.3 and R.sub.4 is a strong electron withdrawing group, are disclosed. These compounds possess potassium channel activating activity and, as such, are useful as antihypertensive agents. Advantageously, the compounds of the present invention have shown less cardiac effects than known potassium channel activators. Also disclosed is a process for preparing these and other compounds.

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