Synthesis and structures of boron dihalides supported by the C 6F5-substituted β-diketiminate ligand [HC(CMe) 2(NC6F5)2]-

Dragoslav Vidovic, Gregor Reeske, Michael Findlater, Alan H. Cowley

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The new boron dihalides of the type [HC(CMe)2(NC 6F5)2]BX2 (X = Cl, Br, I) have been prepared and characterized by single-crystal X-ray diffraction. Of the various synthetic approaches explored, the best method in terms of yield and product purity involves the silylhalide elimination reaction of the silylated iminoamine [HC(CMe)2(NC6F5)(N{SiMe3}C 6F5)] with BX3. Chloroborenium salt [HC(CMe)2(NC6F5)2BCl][AlCl 4] was prepared by treatment of [HC(CMe)2(NC 6F5)2]BCl2 with AlCl3 in CH2Cl2 solution. This salt was also structurally authenticated and represents the first such data for a β-diketiminate- supported haloborenium cation.

Original languageEnglish
Pages (from-to)2293-2297
Number of pages5
JournalDalton Transactions
Issue number17
StatePublished - 2008


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