A hydride abstraction from the hydrosilyliron complexes Cp(OC)2FeSiR2H (Cp = η5-C5H5, R = p-tolyl (1a), Me
(1b)) in CD3CN afforded cationic silyleneiron
complexes [Cp(OC)2FeSiR2(NCCD3)][B(Arf)4] (Arf = 3,5-bis(trifluoromethyl)phenyl,
R = p-tolyl (2a), Me (2b)). The cationic silylene complexes 2 catalyzed hydrosilylation
of aldehydes and ketones with 1 to give the corresponding
alkoxysilyliron complexes 3−5 in
moderate to high yield.
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