<i>E</i>-Selective Allyl Transfer Reaction in a μ-η<sup>1</sup>:η<sup>2</sup>-Crotylplatinum−Cobalt Complex
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Oxidative addition of the Co−C bond of Co(η3-CH2CHCHR)(CO)3 (R = Ph (2a), Me (2b)) to Pt(styrene)(dppe) (1) gives (dppe)(μ-η1:η2-RCHCHCH2)Pt−Co(CO)3 (R = Ph (3a), Me (3b)). The E-isomer of 3b showed fluxionality due to a site exchange process between the allyl carbon and Co at Pt and complete E-selective allyl transfer reaction from platinum to cobalt, which was accelerated by addition of acrylonitrile or PPh3, whereas the Z-isomer had a rigid structure and showed lower reactivity.
创建时间：
2016-02-27
