Patent · US Expired

(3-amino-1H-pyrazol-4-yl) (aryl)methanones

US4900836A · kind A · utility

12Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 1984
Grant dateFeb 13, 1990
Priority date
Expiry dateMay 24, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D409/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

(3-Amino-1H-pyrazol-4-yl)(aryl)methanones which are new compounds having utility as intermediates for the preparation of aryl and heteroaryl[7-(aryl and heteroaryl)pyrazolo[1,5-a]pyrimidin-3-yl]methanones, which are therapeutic agents.

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