This invention relates generally to olefin metathesis, more particularly, to tri- or tetra-substituted imidazolinium salts which are precursors to N-heterocyclic carbene (NHC) ligands with tri- or tetra-substituted imidazolinium rings, organometallic ruthenium complexes comprising gem di-substituted imidazolinium NHC ligands, organometallic ruthenium complexes comprising tri- or tetra-substituted imidazolinium NHC ligands, and to olefin metathesis methods using them. The catalysts and methods of the invention have utility in the fields of catalysis, organic synthesis, and industrial chemistry.
本发明涉及烯烃转化反应,更具体地,涉及三取代或四取代
咪唑啉盐,其是三取代或四取代
咪唑啉环的N-杂环卡宾(NHC)
配体的前体,包括含有宝石二取代
咪唑啉NHC
配体的有机
金属
钌配合物、含有三取代或四取代
咪唑啉NHC
配体的有机
金属
钌配合物以及使用它们的烯烃转化反应方法。本发明的催化剂和方法在催化、有机合成和工业
化学领域具有实用价值。