Purine derivatives

Details Purine derivatives Purine derivatives

1989-11-07

1990-10-23

Rizzo, Nicholas S.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

544276, 544277, 514261, C07D47318, A61K 3152

Patent

active

049652702

ABSTRACT:
Compounds of formula (I), and pharmaceutically acceptable salts thereof: ##STR1## wherein R.sub.1 is hydrogen or CH.sub.2 OH;

REFERENCES:
patent: 4609662 (1986-09-01), Krenitsky
patent: 4621140 (1986-11-01), Verbeyden
patent: 4755516 (1988-07-01), Tolman et al.
Watson, J. Org. Chem. vol. 39, pp. 2911-2116 (1974).

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