Selective Reduction of Carboxylic Acids to Aldehydes Catalyzed by B(C6F5)(3)

[摘要]：B(C6F5)(3) efficiently catalyzes hydrosilylation of aliphatic and aromatic carboxylic acids to produce disilyl acetals under mild conditions. Catalyst loadings can be as low as 0.05 mol %, and bulky tertiary silanes are favored to give selectively the acetals. Acidic workup of the disilyl acetals results in the formation of aldehydes in good to excellent yields.

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