Anhydrous iron dibromide complexes bearing bidentate α-diimine ligands, dppN=C(Me)-(Me)C=Ndpp and ArBIAN ligands (BIAN = bis(imino)acenaphthene; Ar = dpp and Mes; dpp = 2,6-diisopropylphenyl; Mes = 2,4,6-trimethylphenyl) have been prepared and characterized. The aryl-substituted BIAN complexes were structurally characterized by single crystal X-ray diffraction. High-spin iron(II) electronic structure descriptions for the ArBIAN iron complexes are supported by Mössbauer spectroscopy, solution state magnetic measurements, and quantum-chemical calculations. Upon reduction, the iron dibromide complexes promote catalytic hydrosilylation of 1-hexene with phenylsilane at 23 oC.

Aryl-substituted BIAN complexes of iron dibromide: Synthesis, electronic structure, and catalytic hydrosilylation activity

251st National Meeting (2016)

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