Stereocontrolled synthesis of the aminocyclitol moiety of (+)-trehazolin via C–H insertion reaction of alkylidenecarbene
作者:Megumi Akiyama、Toshiki Awamura、Kazuhito Kimura、Yoshimi Hosomi、Ayako Kobayashi、Kazutaka Tsuji、Atsuhito Kuboki、Susumu Ohira
DOI:10.1016/j.tetlet.2004.07.087
日期:2004.9
The aminocyclitol moiety of (+)-trehazolin, a powerful trehalase inhibitor, was synthesized in a stereocontrolled manner from cis-2-butene-1,4-diol via C–H insertion reaction of the alkylidenecarbene, followed by regioselective opening of the epoxide ring. It was obtained in an enantiomerically pure form by twice using Sharpless asymmetric epoxidation.
(+)-trehazolin的氨基环糖醇部分(一种强大的海藻糖酶抑制剂)是通过顺式-2-丁烯-1,4-二醇通过亚烷基卡宾的CH插入反应以立体控制方式合成的,然后进行环氧化物的区域选择性开放戒指。通过两次使用Sharpless不对称环氧化,以对映体纯的形式获得它。