Patent · US Expired

Disubstituted piperazines

US4177272A · kind A · utility

3Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 1977
Grant dateDec 4, 1979
Priority date
Expiry dateDec 27, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D285/135
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disubstituted piperazines of the formula: ##STR1## wherein: ##STR2## is naphthyl, benzo [b] furanyl, benzo [b] thienyl, benzodioxolyl, benzodioxanyl, benzodioxacycloheptanyl, coumaranyl, chromanyl, .DELTA..sup.3 -chromenyl, thiochromanyl or .DELTA..sup.3 -thiochromenyl, X is nitrogen and simultaneously Y is oxygen or sulfur, or X is sulfur, imino (NH) or methylimino (N CH.sub.3) and simultaneously Y is nitrogen, and R is hydrogen, lower alkyl, phenyl, halophenyl, lower-alkylphenyl or lower alkoxyphenyl. These compounds possess interesting pharmacological and therapeutic properties, and may be used as medicines, especially in the treatment of hypertension, peripheral vascular disorders and Parkinson's disease.

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