Patent · US Expired

8-Azapurine derivatives

US4027025A · kind A · utility

8Cited by
3References
31Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 1, 1976
Grant dateMay 31, 1977
Priority date
Expiry dateMar 1, 1996

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P31/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

9-Hydroxyethoxymethyl (and related) derivatives of 2-amino-6-substituted-8-azapurines have been found 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)-8-azaguanine and 9-(2-benzoyloxyethoxymethyl)-8-azaguanine are examples of active compounds of this invention.

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