Furyl-substituted purines and adenosine antagonists
US5500428A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1994 |
| Grant date | Mar 19, 1996 |
| Priority date | — |
| Expiry date | Jan 13, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D475/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula I, and pharmaceutically acceptable salts thereof, ##STR1## in which R1 is hydrogen (1-6C)alkyl or (1-4C)alkanoyl; A is --N.dbd.CQ--O--, N.dbd.CQ--NR.sup.8 --, --N.dbd.CQ--CH.dbd.N--or --N.dbd.CH--CQ.dbd.N--; PA1 Q is 2--furyl; PA1 R.sup.8 is hydrogen or C1-4C)alkyl; PA1 and R.sup.2 has any of the meanings given in the specification, processes for preparing the compounds and pharmaceutical compositions containing them. The compounds are useful as adenosine antagonists.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.