申请人:Japan Tobacco, Incorporated
公开号:US05416204A1
公开(公告)日:1995-05-16
2,3-Dideoxy-2,2-di(organothio)-B-D-pentofuranosyl-pyrimidines are disclosed as intermediates in the synthesis of 2', 3'-dideoxynucleosides and have the structure shown below. ##STR1## wherein R.sup.4 is a hydroxyl protecting group; X is oxygen or nitrogen, said nitrogen being bonded to a hydrogen atom, an alkyl or acyl group; Y is hydrogen, halogen, alkyl, haloalkyl or haloalkenyl; and R.sup.5 is alkyl, aralkyl, or aryl wherein aralkkyl or aryl is substituted with hydrogen, halogen, nitro or alkoxy. 2', 3'-Dideoxynucleosides, products of the above intermediates, are useful as antiviral agents.
2,3-二去氧-2,2-二(有机硫)-B-D-戊呋喃核苷嘧啶是合成2',3'-二去氧核苷的中间体,具有以下结构。其中R^4是羟基保护基;X是氧或氮,所述氮与氢原子、烷基或酰基结合;Y是氢、卤素、烷基、卤代烷基或卤代烯基;R^5是烷基、芳基烷基或芳基,其中芳基烷基或芳基被氢、卤素、硝基或烷氧基取代。上述中间体的产物2',3'-二去氧核苷可用作抗病毒剂。