Xanthine derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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544267, 544270, 544272, 514265, C07D47306, A61K 3152

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active

054479339

ABSTRACT:
A novel xanthine derivative of the formula (I): ##STR1## wherein one of R.sup.1 and R.sup.2 represents substituted or unsubstituted lower alkyl, lower alkenyl, lower alkynyl, substituted or unsubstituted alicyclic alkyl, substituted or unsubstituted phenyl, or substituted or unsubstituted benzyl; and the other represents

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J. Linden et al., ".sup.125 I-Labeled 8-Phenylxanthine Derivatives: Antagonist Radioligands for Adenosine A.sub.1 Receptors," Journal of Medicinal Chemistry, vol. 31, No. 4, Apr. 1988, pp. 745-751.
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