Late transition metal palladium catalysts chelated by benchmark α-diimine, phosphine-sulfonate, bisphosphine-monoxide ligands are of great interest for ethylene polymerization and challenging copolymerization with polar comonomers. Compared to numerous studies on the classic α-diimine and phosphine-sulfonate palladium catalysts, the new generation bisphosphine-monoxide palladium (BPMO-Pd) system is far less investigated. In this contribution, by skillfully designing a family of BPMO-Pd catalysts bearing differed steric and electronic P(III) phosphine groups, differed steric and electronic O = P(V) phosphine monoxide groups, and different connectivity of them, a comprehensive picture on catalyst structure construction is built for ethylene (co)polymerizations. This constructed catalyst structure-polymerization property relationship paves the way for the development of more efficient late transition metal catalysts for olefin (co)polymerization.

被基准α-二亚胺，膦磺酸盐，双膦一氧化氮配体螯合的后期过渡金属钯催化剂对于乙烯聚合和与极性共聚单体的共聚合提出了极大的兴趣。与经典的α-二亚胺和膦-磺酸盐钯催化剂的大量研究相比，新一代双膦一氧化钯（BPMO-Pd）体系的研究少得多。在这项贡献中，通过巧妙地设计一系列具有不同的空间和电子P（III）膦基，不同的空间和电子O = P（V）一氧化膦基团以及它们的连通性的BPMO-Pd催化剂系列，建立用于乙烯（共）聚合的催化剂结构。