申请人:Takeda Chemical Industries, Ltd.
公开号:EP0219838A2
公开(公告)日:1987-04-29
The carbocyclic analogs to purine nucleosides represented by the formula
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.
嘌呤核苷的碳环类似物,其代表式为
其中,R₁ 和 R₂ 各为羟基,可选择性地加以保护;X 为氢原子或羟基,可选择性地加以保护;Y 为鸟嘌呤-9-基、异鸟嘌呤-9-基或次黄嘌呤-9-基,可用于治疗病毒感染,也可在基因工程、生物化学等领域用作嘌呤核苷的替代物。