Patent · US Expired

2-6-diaminopurine precursors

US5889178A · kind A · utility

6Cited by
12References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 1997
Grant dateMar 30, 1999
Priority date
Expiry dateSep 22, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07H19/167
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to compounds of formula (IV): ##STR1## wherein R.sup.a and R.sup.b each represent a hydrogen atom or together form an alkylidene group.

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