作者: Jeffrey M. Rose , Anna E. Cherian , Geoffrey W. Coates
DOI: 10.1021/JA058183I
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摘要: A C2-symmetric Ni(II) catalyst was found to polymerize α-olefins with high levels of ω,2-regiochemistry. The resulting products are ethylene−propylene-type copolymers methylene sequences precise length between methyl branches. Modification reaction conditions can introduce ω,1-enchainments into the polymers which increases average