In a Quest for Selectivity Paired with Activity: A Ruthenium Olefin Metathesis Catalyst Bearing an Unsymmetrical Phenanthrene‐Based N‐Heterocyclic Carbene
作者:Michał Dąbrowski、Przemysław Wyrębek、Damian Trzybiński、Krzysztof Woźniak、Karol Grela
DOI:10.1002/chem.201904549
日期:2020.3.23
ruthenium olefin metathesis pre‐catalyst, [3‐benzyl‐1‐(10‐phenyl‐9‐phenanthryl)]‐2‐imidazolidinylidene}dichloro(o‐isopropoxyphenylmethylene)ruthenium(II), Ru‐3, bearing an unsymetrical N‐heterocyclic carbene (uNHC) ligand, has been synthesized. The initiation rate of Ru‐3 was examined by ring‐closing metathesis and cross‐metathesis reactions with a broad spectrum of olefins, showing an unprecendented
在存在乙烯,钌烯烃复分解前催化剂[3-苄基-1-(10-苯基-9-菲基)]-2-咪唑啉亚基}二氯(邻异丙氧基苯基亚甲基)钌( II),合成了带有不对称N杂环卡宾(uNHC)配体的Ru-3。通过与多种烯烃的开环易位反应和交叉复分解反应来检查Ru-3的起始速率,显示出前所未有的选择性。还对可再生原料中烯烃底物的工业相关乙烯分解反应进行了测试,其收率和选择性都非常好。