Patent · US Expired

Synthesis for 7-alkylamino-3-methylpyrazolo [4,3-d]pyrimidines

US4282361A · kind A · utility

15Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 1978
Grant dateAug 4, 1981
Priority date—
Expiry dateMar 16, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D231/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

An improved synthesis is disclosed for 7-alkylamino-3-methylpyrazolo[4,3-d]pyrimidines, which are known to be potent cytokinin antagonists.

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