Patent · US Expired

Purine derivatives

US4294831A · kind A · utility

24Cited by
2References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 1, 1978
Grant dateOct 13, 1981
Priority date
Expiry dateFeb 1, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D473/34
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

9-Hydroxyethoxymethyl (and related) derivatives of certain 6-, and 2,6-substituted purines have been discovered to have potent anti-viral activities. Novel compounds and their pharmaceutically acceptable salts, pharmaceutical formulations containing the compounds of this invention, and the treatment of viral infections with these formulations are all disclosed. 9-(2-hydroxyethoxymethyl) guanine and 2-amino-9-(2-hydroxyethoxymethyl)adenine are examples of especially active compounds of this invention.

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