| abstract |
The carbocyclic analogs to purine nucleosides represented by the formulan wherein R₁ and R₂ each is a hydroxyl group, which may optionally be protected, X is a hydrogen atom or a hydroxyl group, which may optionally be protected, and Y is guanin-9-yl, isoguanin-9-yl or hypoxanthin-9-yl are useful for the treatment of viral infections and as substitutes for purine nucleosides in the field of genetic engineering, biochemistry or the like. |