An Efficient Catalyst for the Conversion of Hydrosilanes to Alkoxysilanes
The copper(I) hydride 6 is an efficient catalyst for the alcoholysis of primary and secondary silanes.The reactions proceed at room temperature within a few hours and give the alkoxysilanes in high yields.Only with bulky alcohols or silanes are longer reaction times and/or increased temperatures required.The presence of air accelarates the reactions and gives rise to higher yields of alkoxysilanes, particularly with bulky alcohols.Diols react with PhRSiH2 (R = Me, Ph) to afford 1,3-dioxo-2-silacycloalkanes and with tertiary silanes to furnish the bissilylated diols.When unsaturated alcohols (2-propen-1-ol or 2-propyn-1-ol) are employed, the double or triple bond is retained. - Keywords: Catalytic silane alcoholysis; Alkoxysilanes
Lorenz, Catrin,Schubert, Ulrich
p. 1267 - 1270
(2007/10/03)
Carbanion mechanisms XVIII. Generation of silyl anions by nucleophilic cleavage of disilanes
Organosilyl potassium compounds are conveniently generated by cleavage of hexaorganodisilanes with potassium t-butoxide in common solvents other than HMPA (i.e. in THF or DME).Nucleophilic attack on unsymmetrical disilanes results in formation of the more
Buncel, Erwin,Venkatachalam, T. Krishnan,Edlund, U.
p. 85 - 89
(2007/10/02)
KINETICS OF THE REACTIONS OF DISALAZANES WITH tert-BUTYL ALCOHOL
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Sevast'yanova, I. V.,Klebanskii, A. L.,Ponomarev, A. I.
p. 1848 - 1850
(2007/10/02)
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