Disclosed are compounds of the formula
wherein R
1
is hydrogen or an acyl group having 1 to 16 carbon atoms;
R
2
is a purine or pyrimidine base or an analogue or derivative thereof;
Z is O, S, S═O or SO
2
; and
pharmaceutically acceptable derivatives thereof.
Also described are processes for and intermediates of use in their preparation, pharmaceutical compositions containing these compounds, and the use of these compounds in the antiviral treatment of mammals.
本发明公开了下列化合物:其中R1为
氢或1至16个
碳原子的酰基基团;R2为
嘌呤或
嘧啶碱基或其类似物或衍
生物;Z为O、S、S═O或SO2;以及其药学上可接受的衍
生物。还公开了用于制备这些化合物的过程和
中间体,含有这些化合物的制药组合物,以及在哺乳动物的抗病毒治疗中使用这些化合物的方法。