Patent · US Expired

Antiviral pyrazolopyrazines

US4303658A · kind A · utility

2Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1980
Grant dateDec 1, 1981
Priority date
Expiry dateMay 12, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Certain 1-substituted-3-loweralkyl-5-(substituted)phenyl-6-aminopyrazolo[3,4-b]pyr azines are provided. They have useful activity as antivirals.

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