申请人:Chong Kun Dang Corp.
公开号:US06034087A1
公开(公告)日:2000-03-07
Nucleoside derivatives represented by formula (I); ##STR1## wherein, R.sub.1 represents hydrogen, phosphate or phosphonate group, R.sub.2 represents substituted or unsubstituted pyrimidine or purine base, and Z represents S, SO, SO.sub.2, O or C; or pharmaceutically acceptable salts thereof. Compound (I) can be obtained by reacting a compound of the formula (II); ##STR2## wherein, R.sub.7 represents hydrogen or hydroxy-protecting group, L represents aromatic or nonaromatic acyl, halide or alkoxy, and Z represents S, SO, SO.sub.2, O or C, with a base.
核苷衍生物由公式(I)代表; 在其中,R.sub.1代表氢,磷酸盐或膦酸盐基团,R.sub.2代表取代或未取代的嘧啶或嘌呤碱基,Z代表S,SO,SO.sub.2,O或C; 或其药用可接受的盐。化合物(I)可通过将公式(II)的化合物反应而得到; 在其中,R.sub.7代表氢或羟基保护基团,L代表芳香或非芳香酰基,卤代基或烷氧基,Z代表S,SO,SO.sub.2,O或C,与碱反应。