Xanthines

Details Xanthines Xanthines

1992-01-13

1994-06-14

Berch, Mark L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

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

514265, 544267, 544271, 544273, A61K 3152, C07D47306

Patent

active

053210298

ABSTRACT:
A compound of formula (I): ##STR1## or where appropriate a pharmaceutically acceptable salt thereof, wherein R.sup.1 and R.sup.2 each independently represent a moiety of formula (a):

REFERENCES:
patent: 2602795 (1952-07-01), Papesch et al.
patent: 4089959 (1978-05-01), Diamond
patent: 4233303 (1980-11-01), Bergstrand et al.
patent: 4644001 (1987-02-01), Kjellin et al.
patent: 4657910 (1987-04-01), Morgan
patent: 4883801 (1989-11-01), Nathanson

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