A Facile Glycosylation of Spirostanol Catalyzed by Cadmium Carbonate

A facile glycosylation for the synthesis of spirostanol glycosides was reported. Using cadmium carbonate as a catalyst in CH3CN, a series of saponins was synthesized efficiently in a satisfactory yield.

乞丐的启示

一个沿街流浪的乞丐每天总在想,假如我手头要有1000元就好了。一天,这个乞丐无意中发现了一只跑丢的很可爱的小狗,乞丐发现四周没人,便把狗抱回了他的住处拴了起来。