Two contrasting ethynyl hydroboration pathways in the formation of a novel tris-hydroboration product from reaction of dimesitylborane with 2,5-diethynylpyridine |
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| Authors: | Entwistle Christopher D Batsanov Andrei S Howard Judith A K Fox Mark A Marder Todd B |
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| Institution: | Department of Chemistry, University of Durham, South Road, Durham, UK DH1 3LE. |
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| Abstract: | Reaction of 2,5-diethynylpyridine with dimesitylborane, (Mes)(2)BH](2)(Mes = mesityl = 2,4,6-Me(3)C(6)H(2)), gave the unexpected tris-hydroboration product 1-(Mes)(2)B]-2-Z-1-(Mes)(2)B]ethylidene]-5-E-(Mes)(2)B]vinyl]-1,2-dihydropyridine, which has been structurally characterised by single-crystal X-ray diffraction. |
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