An efficient synthesis of optically active five- and six-membered cyclic compounds with selectable stereo-controls by a Ti(II)-mediated cyclization of chiral secondary 2,7- and 2,8-enyn-1-ol derivatives
作者:Yongcheng Song、Yuuki Takayama、Sentaro Okamoto、Fumie Sato
DOI:10.1016/s0040-4039(02)02695-3
日期:2003.1
Ti(II)-mediated cyclization of readily accessible optically active secondary 2,7- and 2,8-enyn-1-ol derivatives enables the selective preparation of any one of the four possible stereoisomers of the cyclized product with high optical purity.
Ti(II)介导的容易获得的旋光性2,7-和2,8-enyn-1-ol二级光学衍生物的环化反应,可以选择性地制备具有高光学纯度的环化产物的四种可能的立体异构体中的任何一种。