Patent · US Expired

Diphenylpyridine compounds, processes for the preparation thereof and composition comprising the same

US4831030A · kind A · utility

7Cited by
9References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1986
Grant dateMay 16, 1989
Priority date
Expiry dateDec 12, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D471/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to compounds for treatment of hypertension, and cardiovascular and cerebrovascular diseases, which compounds are of the formula: ##STR1## wherein R.sup.1 is piperazinyl(lower)alkyl, carbamoyl substituted with piperazinyl(lower)alkyl, or piperazinylcarbonyl, in each of which a piperazinyl group may be substituted with lower alkyl, and PA1 R.sup.3 is hydrogen or halogen; PA1 R.sup.2 is phenyl substituted with nitro, and PA1 R.sup.4 is lower alkyl or halo(lower)alkyl; or PA1 R.sup.2 is lower alkyl, and PA1 R.sup.4 is phenyl substitured with nitro; and a pharmaceutically acceptable salt thereof.

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