New olefin metathesis catalyst bearing N-mesitylimidazole and nitrate ligands – Synthesis, activity, and performance in aqueous media
作者:Marta Malinowska、Mariana Kozlowska、Agnieszka Hryniewicka、Jacek W. Morzycki
DOI:10.1016/j.jorganchem.2019.06.018
日期:2019.9
activity in the model metathesis reactions. However, its activity increases upon the addition of an aqueous HCl 1 M solution. Activated Ru complex successfully promotes metathesis in organic solvents as well as in water, enabling efficient performance (even up to 100%) of the catalyst under environment-friendly conditions. The activation mechanism of the reported catalyst is supported by time-dependent
一种新的18电子钌络合物,其中钌催化中心与N-间苯二甲咪唑和硝酸盐配体以及o报道了-异丙氧基苯乙烯部分。介绍了钌配合物的合成和详细表征,以及密度泛函理论计算(DFT)。尽管在模型复分解反应中催化活性较弱,但该复合物对空气和水分均稳定。但是,加入1M HCl水溶液后其活性增加。活化的钌配合物可以成功地促进有机溶剂以及水中的复分解反应,从而在环境友好的条件下实现高效(甚至高达100%)的催化剂性能。时间依赖的DFT计算和从头算分子动力学模拟支持了报道的催化剂的活化机理。