作者:Sanae Izumi、Yusuke Kobayashi、Yoshiji Takemoto
DOI:10.1002/anie.202004476
日期:2020.8.10
2‐dihydroxyglycosyl acceptors and glycosyl donors in the presence of a tricyclic borinic acid catalyst. In this reaction, the complexation of the diols and the catalyst is crucial for the activation of glycosyl donors, as well as for the 1,2‐cis‐configuration of the products. The anomeric stereochemistry of the glycosyl donor depends on the employed glycosyl donor. Applications of the produced 1,1′‐disaccharides are
在三环硼酸催化剂存在下,通过使用1,2-二羟基糖基受体和糖基供体可以实现1,1'-二糖的高度立体选择性合成。在该反应中,二醇和催化剂的络合对于糖基供体的活化以及产物的1,2-顺式构型至关重要。糖基供体的异头立体化学取决于所用的糖基供体。还描述了产生的1,1'-二糖的应用。