Preparation of di- and tri-substituted xanthine compounds

Details Preparation of di- and tri-substituted xanthine compounds Preparation of di- and tri-substituted xanthine compounds

1984-06-08

1986-04-08

Rizzo, Nicholas S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen bonded directly to ring carbon of the purine ring...

514263, C07D47304, A61K 3152

Patent

active

045814511

ABSTRACT:
The invention relates to xanthines corresponding to the formula ##STR1## and physiologically acceptable salts thereof, in which R.sub.1 represents C.sub.2 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -isoalkyl, CH.sub.2 -(C.sub.2 -C.sub.3 -alkenyl) or CH.sub.2 -(C.sub.3 -isoalkenyl);

REFERENCES:
patent: 4089959 (1978-05-01), Diamond

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