Catalytic Hydrosilylation of Substituted Acetophenones by 1,1,3,3-Tetrametyldisiloxane with Complexes Rhodium (I) and Platinum (II)

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Abstract
The hydrosilylation of a range of para-substituted acetophenones XC6H4COCH3 (X = H, Me, MeO, F, Cl, NO2) with 1,1,3,3-tetramethyl disiloxane mediated by complexes of rhodium (I) and platinum (II) was investigated. The complexes of platinum (II) are less effective than complexes of rhodium (I), but display greater selectivity. Six 1-(1′-arylethoxy)-1,1,3,3-tetramethyl disiloxanes have been synthesized by hydrosilylation using several coupling catalysts.