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Trichlorosilane

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Aryl ketones were reduced to the corresponding alcohols with excellent enantioselectivity by trichlorosilane in the presence of a catalytic amount of N-formyl-α'-(2,4,6-triethylphenyl)-L-proline as an activator.
Y. Matsumura, K. Ogura, Y. Kouchi, F. Iwasaki, O. Onomura, Org. Lett., 2006, 8, 3789-3792.


Asymmetric reduction of ketimines with trichlorosilane can be catalyzed by N-methylvaline-derived Lewis-basic formamides with high enantioselectivity and low catalyst loading at room temperature in toluene. Appending a fluorous tag to the catalyst simplifies the isolation procedure and allows the catalyst to be recycled.
A. V. Malkov, M. Figlus, S. Stončius, P. Kočovský, J. Org. Chem., 2007, 72, 1315-1325.


L-Piperazine-2-carboxylic acid derived N-formamides are highly enantioselective Lewis basic catalysts for the hydrosilylation of imines with trichlorosilane. High isolated yields and enantioselectivities were obtained for a broad range of substrates, including aromatic and aliphatic ketimines.
Z. Wang, M. Cheng, P. Wu, S. Wei, J. Sun, Org. Lett., 2006, 8, 3045-3048.


L-Pipecolinic acid derived formamides are highly efficient and enantioselective Lewis basic organocatalysts for the mild reduction of various N-aryl imines with trichlorosilane.
Z. Wang, X. Ye, S. Wei, P. Wu, A. Zhang, J. Sun, Org. Lett., 2006, 8, 999-1001.