α-二亚胺镍（II）催化剂引发的α-烯烃活性聚合：通过可控链行走制备结构明确的乙烯-丙烯共聚物。
Living polymerization of alpha-olefins with an alpha-diimine Ni(II) catalyst: formation of well-defined ethylene-propylene copolymers through controlled chain-walking.
作者信息
Rose Jeffrey M, Cherian Anna E, Coates Geoffrey W
机构信息
Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, USA.
出版信息
J Am Chem Soc. 2006 Apr 5;128(13):4186-7. doi: 10.1021/ja058183i.
A C2-symmetric Ni(II) catalyst was found to polymerize alpha-olefins with high levels of omega,2-regiochemistry. The resulting products are ethylene-propylene-type copolymers with methylene sequences of precise length between methyl branches. Modification of reaction conditions can introduce omega,1-enchainments into the polymers which increases the average length of methylene sequences between methyl branches.
发现一种C2对称的镍（II）催化剂能够以高ω,2-区域化学水平聚合α-烯烃。所得产物是在甲基支链之间具有精确长度亚甲基序列的乙烯-丙烯型共聚物。改变反应条件可将ω,1-链节引入聚合物中，这会增加甲基支链之间亚甲基序列的平均长度。
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