作者:Giovanni Occhipinti、Fredrik R. Hansen、Karl W. Törnroos、Vidar R. Jensen
DOI:10.1021/ja311505v
日期:2013.3.6
second-generation catalyst with a 2,4,6-triphenylbenzenethiolate ligand resulted in an active olefin metathesis catalyst with remarkable Z selectivity, reaching 96% in metathesis homocoupling of terminal olefins. High turnover numbers (up to 2000 for homocoupling of 1-octene) were obtained along with sustained appreciable Z selectivity (>85%). Apart from the Z selectivity, many properties of the new catalyst, such
Grubbs-Hoveyda 第二代催化剂的单个氯阴离子与 2,4,6-三苯基硫醇盐配体一步取代得到活性烯烃复分解催化剂,具有显着的 Z 选择性,末端烯烃复分解均偶联达到 96% . 获得了高周转数(对于 1-辛烯的同源偶联高达 2000)以及持续可观的 Z 选择性(> 85%)。除了 Z 选择性之外,新催化剂的许多性质,例如对氧气和水的稳定性以及使底物异构化和与内烯烃产物反应的趋势,都与母体催化剂的性质相似。