Patent · US Expired

Purine derivative

US6028076A · kind A · utility

190Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1998
Grant dateFeb 22, 2000
Priority date
Expiry dateMar 3, 2018

Classification

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

Abstract

This invention relates to novel purine derivatives of formula (I): ##STR1## where R.sup.2 and R.sup.9 are hydrocarbon groups, R.sup.6 is an amino group and R.sup.8 is a hydroxyl, or acyloxy group. These purine derivatives are effective at promoting secretion of interferon in patients, and can be used to treat diseases against which interferon is effective.

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