The preparation of (+)-9-[.alpha.-(2.alpha.,3.beta.-dihydroxy-4.alpha.-(hydroxymethyl)cyclope ntyl)]-6-substituted purines: ##STR1## and (+)-3-[.alpha.-(2.alpha.,3.beta.-dihydroxy-4.alpha.-(hydroxymethyl)cyclope ntyl)]7-substituted-v-triazolo[4,5d]pyrimidines: ##STR2## and their derivatives wherein R is amino, mercapto, methylmercapto, hydroxy, halogen, or substituted amino: ##STR3## wherein R' and R" may be the same or different and are of hydrogen, methyl, ethyl, propyl or phenyl. The preparation of the single intermediate from which either of these series of compounds may be synthesized is also disclosed. The compounds exhibit antiviral and antitumor activity.
(+)-9-[.alpha.-(2.alpha.,3.beta.-二羟基-4.alpha.-(羟甲基)环戊基)]-6-取代
嘌呤的制备方法:##STR1## 和(+)-3-[.alpha.-(2.alpha.,3.beta.-二羟基-4.alpha.-(羟甲基)环戊基)]7-取代-v-三唑[4,5d]
嘧啶的制备方法:##STR2## 以及它们的衍
生物,其中R为
氨基、巯基、甲
硫基、羟基、卤素或取代
氨基:##STR3## 其中R'和R"可以相同也可以不同,分别为氢、甲基、乙基、丙基或苯基。本文还披露了制备这两系列化合物的单一中间体的方法。这些化合物具有抗病毒和抗肿瘤活性。