Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...
Patent
1990-01-02
1992-10-27
Rizzo, Nicholas S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen bonded directly to ring carbon of the purine ring...
544277, C07D47340
Patent
active
051590760
ABSTRACT:
Compounds of formula (II): ##STR1## wherein R.sub.4 ' is R.sub.4 wherein
REFERENCES:
patent: 4910307 (1990-03-01), Wyatt
Chemical Abstracts vol. 77 48402z (1972).
A. A. Watson in J. Organic Chem (1974) 39:2911-2916.
Beecham Group p.l.c.
Rizzo Nicholas S.
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