1.In this paper, recent development in furanoid and pyranoid carbasugars synthesis from non-carbohydrate sources is reviewed.

1.本文综述了从非糖类化合物合成五环糖究的最新。

2.Carbasugars,carbocyclic analogues of true sugars,are compounds in which the ring-oxygen of furanoid or pyranoid sugars is replaced by methylene group.

2.环糖是一类呋喃或吡喃糖环中的氧原子被亚甲基取代后形成的糖类似物。