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Issue 22, 1991
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Carbon–hydrogen activation in a 1,3-diene coordinated onto a molybdenum(II) centre

Abstract

Trimethyl phosphite reacts selectively with [Br[graphic omitted]HMe(η2-MeC2Me)(η5-C5H5)][BF4] to form the X-ray crystallographically identified η4(5e)-butadienyl cation [BrMo[double bond, length half m-dash]C(Me)-η3-{C(Me)C(Me)CHMe}{P(OMe)3}(η5-C5H5)][BF4], which in turn reacts with Bus2AIH to form the 1,3-diene complex [BrMo{η4CH(Me)[double bond, length half m-dash]C(Me)C(Me)[double bond, length half m-dash]C(H)Me}{P(OMe)3}(η5-C5H5)]; this unexpectedly reacts regioselectively with [Ph3C][BF4] to regenerate the parent η4(5e)-butadienyl cation with significant implications for alkenic C–H activation.

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Article information


J. Chem. Soc., Chem. Commun., 1991, 1587-1588
Article type
Paper

Carbon–hydrogen activation in a 1,3-diene coordinated onto a molybdenum(II) centre

M. Green, M. F. Mahon, K. C. Molloy, C. B. M. Nation and C. M. Woolhouse, J. Chem. Soc., Chem. Commun., 1991, 1587
DOI: 10.1039/C39910001587

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