CO<sub>2</sub>-Activation for γ-Butyrolactones and Its Application in the Total Synthesis of (±)-Heteroplexisolide E
作者:Suhua Li、Shengming Ma
DOI:10.1002/asia.201200467
日期:2012.10
is described. The catalyst is highly active and can be applied for the synthesis of (optically active) mono‐ or bicyclic α‐alkylidene‐γ‐butyrolactones with excellent regio‐ and stereoselectivity and good functional group tolerance. The potential of the reaction has been demonstrated in the first synthesis of (±)‐heteroplexisolide E.
描述了一种高效的镍(0)催化在CO 2(1个大气压,气球)存在下用ZnEt 2对高炔丙醇进行高度区域和立体选择性加氢羧化反应,以合成α-亚烷基-γ-丁内酯。该催化剂具有很高的活性,可用于合成(光学活性)具有出色的区域和立体选择性以及良好的官能团耐受性的单环或双环α-亚烷基-γ-丁内酯。该反应的潜力已在(±)-杂plexisolide E的首次合成中得到了证明。