Patent · US Expired

Phenylpiperazine derivatives

US4123529A · kind A · utility

10Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 1977
Grant dateOct 31, 1978
Priority date
Expiry dateJul 8, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Phenylpiperazine derivatives of formula (I): ##STR1## where R.sup.1 is benzyl, C.sub.1-6 alkyl or optionally substituted phenyl; R.sup.2 is optionally substituted phenyl; R.sup.3 is hydrogen or C.sub.1-4 alkyl; Q is furan, thiophene, oxazole or thiazole; m is 1 to 3 and n is 0 or 1; and pharmaceutically-acceptable salts thereof are active in the chemotherapy of immediate hypersensitivity conditions such as asthma.

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