申请人:——
公开号:US05789394A1
公开(公告)日:1998-08-04
Nucleotide analogues having the general formula (I) and pharmaceutically acceptable derivatives: ##STR1## wherein n is 0 or an integer; X is O or S, CH.sub.2, CH-halogen, CH--N.sub.3, or C.dbd.CH.sub.2 ; Q and U are independently selected from: O, S, and CH(R.sub.a) wherein R.sub.a is hydrogen, OH, halogen, N.sub.3, NH.sub.2, SH, carboxyl, C.sub.1-6 alkyl or R.sub.a is CH.sub.2 (R.sub.b) wherein R.sub.b is hydrogen, OH, SH, NH.sub.2, C.sub.1-6 alkyl or carboxyl; or both Q and U are CH when Q and U are linked by a double bond; Z is selected from: O, a C.sub.1-6 alkoxy, a C.sub.1-6 thioalkyl, a C.sub.1-6 aminoalkyl, (CH.sub.2).sub.m wherein m is 0 or an integer, and N(R.sub.c).sub.2 wherein both R.sub.c are independently hydrogen or a C.sub.1-6, alkyl; and R2 is a purine or pyrimidine base or an analogue or derivative thereof are disclosed. Members of this series of analogues possess anti-viral activity.
核苷酸类似物具有一般式(I)和药用可接受衍生物:##STR1##其中n为0或整数;X为O或S,CH.sub.2,CH-卤素,CH--N.sub.3,或C.dbd.CH.sub.2;Q和U分别选自:O,S和CH(R.sub.a),其中R.sub.a为氢,OH,卤素,N.sub.3,NH.sub.2,SH,羧基,C.sub.1-6烷基或R.sub.a为CH.sub.2(R.sub.b),其中R.sub.b为氢,OH,SH,NH.sub.2,C.sub.1-6烷基或羧基;或当Q和U由双键连接时,Q和U均为CH;Z选自:O,C.sub.1-6烷氧基,C.sub.1-6硫代烷基,C.sub.1-6氨基烷基,(CH.sub.2).sub.m,其中m为0或整数,和N(R.sub.c).sub.2,其中两个R.sub.c独立地为氢或C.sub.1-6烷基;和R2为嘌呤或嘧啶碱基或其类似物或衍生物。该类类似物系列的成员具有抗病毒活性。