Patent · US Expired

4-Substituted pyrazoles

US4113872A · kind A · utility

0Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1977
Grant dateSep 12, 1978
Priority date
Expiry dateFeb 7, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D231/28
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Pyrazoles of the formula ##STR1## wherein R is hydrogen, alkyl, aryl, aralkyl, trifluoromethyl or a heterocycle; PA1 R.sup.1 is aryl or aralkyl unsubstituted or substituted by halo, trifluoromethyl, alkyl, alkoxy or nitro; or a halo-substituted alkylthio moiety; PA1 R.sup.2 is lower alkyl; phenyl; or benzyl; PA1 R.sup.3 is aryl unsubstituted or substituted by alkyl, alkenyl, alkoxy, halo, trifluoromethyl, trifluoromethoxy, mono- or di-alkylamino, nitro, cyano, carboxamido, sulphonamido or SO.sub.n -alkyl; phenyl having fused thereto a 5- to 7-membered isocyclic or heterocyclic ring, said heterocyclic ring having 1 or 2 oxygen or sulphur heteroatoms; or pyridyl; and PA1 R.sup.4 is unsubstituted or substituted carboacyl or sulphonyl; are useful for their diuretic, saluretic, antihypertensive and antithrombotic properties.

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