申请人:Farmitalia Carlo ERBA
公开号:US05374626A1
公开(公告)日:1994-12-20
The present invention relates to the use as antivirals of compounds of formula: ##STR1## wherein B is a purinic or pyrimidinic heterocycle; X is oxygen or sulphur; R.sup.1 is a hydroxyl group or a hydrogen atom; R.sup.2 is a linear, branched or cyclic, alkyl group of up to twenty carbon atoms; R.sup.3 is as specified for R.sup.2 above or a hydrogen atom, a cation or a polyhydroxy group.
本发明涉及使用以下式子的化合物作为抗病毒药物:##STR1## 其中B是嘌呤或嘧啶杂环;X是氧或硫;R.sup.1是羟基或氢原子;R.sup.2是直链、支链或环状的、长度最多为20个碳原子的烷基;R.sup.3与上述R.sup.2相同或是氢原子、阳离子或多羟基基团。