9-(2-deoxy-2-fluoro-4-thio-.beta.-d-arabinofuranosyl)purine...

C - Chemistry – Metallurgy – 07 – D

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C07D 473/00 (2006.01) A61K 31/435 (2006.01) A61K 31/505 (2006.01) A61K 31/70 (2006.01) C07D 471/04 (2006.01) C07D 487/04 (2006.01) C07H 19/04 (2006.01) C07H 19/052 (2006.01) C07H 19/056 (2006.01) C07H 19/06 (2006.01) C07H 19/16 (2006.01) C07H 19/20 (2006.01)

Patent

CA 2224165

9-(2-Deoxy-2-fluoro-4-thio-.beta.-D-arabinofuranosyl)purine derivatives of general formula (I) having excellent antiviral activity, process for producing the same, and the use therof. In said formula (I) B represents a base selected from the group consisting of purines, azapurines and deazapurines which may be substituted by halogeno, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, amino, alkylamino, hydroxy, hydroxyamino, aminoxy, alkoxy, mercapto, alkylmercapto, aryl, aryloxy or cyano; and R represents hydrogen or phosphate residue.

Cette invention se rapporte à des dérivés de 9-(2-désoxy-2-fluoro-4-thio-.beta.-D-arabinofuranosyl)purine représentés par la formule générale (I) et qui possèdent une excellente activité antitumorale, ainsi qu'à un procédé de préparation de ces composés et à leur utilisation. Dans ladite formule (I), B représente une base sélectionnée dans le groupe constitué par des purines, des azapurines et des désazapurines qui peuvent être substituées par un groupe halogéno, alkyle, haloalkyle, alcényle, haloalcényle, alcynyle, amino, alkylamino, hydroxy, hydroxyamino, aminoxy, alcoxy, mercapto, alkylmercapto, aryle, aryloxy ou cyano, et R représente un hydrogène ou un résidu de phosphate.

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