A Short-Step Asymmetric Synthesis of Dehydrodiconiferyl Alcohol via C-H Insertion Reaction
作者:Toshiyuki Kan、Shogo Matsumoto、Tomohiro Asakawa、Yoshitaka Hamashima
DOI:10.1055/s-0031-1290658
日期:2012.4
chiral catalyst was employed to achieve double asymmetric induction of a trans-disubstituted dihydrobenzofuran ring, as the key reaction of a stereoselective synthesis of (-)-dehydrodiconiferyl alcohol in 13 steps from commercially available guaiacol. neolignan - dehydrodiconiferyl alcohol - rhodium - C-H insertion - double asymmetric induction
使用手性助剂和手性催化剂的铑催化的分子内CH插入反应可实现反式-双取代的二氢苯并呋喃环的双不对称诱导,这是从13个步骤开始立体选择性合成(-)-脱氢二苯二甲炔醇的关键反应市售的愈创木酚。 新木脂素-脱氢二癸烯醇-铑-CH插入-双不对称诱导