Patent · US Expired

Purine derivatives with repeating unit

US4060616A · kind A · utility

5Cited by
0References
87Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 1, 1976
Grant dateNov 29, 1977
Priority date
Expiry dateMar 1, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D473/30
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

9-[2-(2-Hydroxyethoxy)ethoxymethyl] and related derivatives of certain 2-amino-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 infection with these formulations are all disclosed. 9-[2-(2-hydroxyethoxy)ethoxymethyl] guanine and 2-amino-9-[2-(2-hydroxyethoxy)ethoxymethyl] adenine, i.e. 2,6-diamino-9-[2-(2-hydroxyethoxy)ethoxymethyl] purine, are examples of especially active compounds of this invention.

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