申请人:THE UNIVERSITY OF BIRMINGHAM
公开号:EP0421777A1
公开(公告)日:1991-04-10
Pyrimidine 4′-thionucleosides of the formula (I)
where B¹ is a pyrimidine base;
and either (a) R² is hydrogen and R³ is hydroxy or fluoro,
or (b) R² is hydroxy and R³ is hydrogen, hydroxy or fluoro,
or (c) R² is fluoro and R³ is hydrogen or hydroxy,
or (d) R² and R³ together form a carbon-carbon bond; and physiologically functional derivatives thereof and processes for their production. Preferably, the base B¹ is of the formula (II)
wherein Y is hydroxy or amino, monoalkylamino or dialkylamino; and X is halogen, alkoxy, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, amino, monoalkylamino, dialkylamino, cyano or nitro. The compounds are useful in the treatment of viral infections.
式(I)的嘧啶-4′-硫代核苷
其中 B¹ 是嘧啶碱;
(a) R² 是氢,R³ 是羟基或氟、
或 (b) R² 是羟基,R³ 是氢、羟基或氟、
或 (c) R² 是氟,R³ 是氢或羟基、
或 (d) R² 和 R³ 共同形成碳-碳键;以及其生理功能衍生物及其生产工艺。碱 B¹ 最好为式 (II)
其中 Y 是羟基或氨基、单烷基氨基或二烷基氨基;X 是卤素、烷氧基、烷基、卤代烷基、烯基、卤代烯基、炔基、氨基、单烷基氨基、二烷基氨基、氰基或硝基。这些化合物可用于治疗病毒感染。