Influence of the order of introduction of protonic acids on the formation of active complexes in the Ni(PPh3)4/BF3 · OEt2 catalytic system
作者： V. V. Saraev , P. B. Kraikivskii , D. A. Matveev , A. I. Vil’ms , S. N. Zelinskii
DOI: 10.1134/S0023158406050077
关键词:
摘要: The influence of the order introduction promoters (complex protonic acids) on formation active complexes in Ni(PPh3)4/BF3 · OEt2 catalytic system and activity these systems ethylene oligomerization have been studied. which nickel exists mainly as cationic Ni(I) is more than one magnitude higher where form Ni(II) hydride complexes. role alcohols elucidated. are source hydrides and, importantly, strong Bronsted acids, efficiently ensure coordinative unsaturation
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