An efficient catalytic asymmetric addition of trimethylsilyl cyanide to aldehydes at room temperature |
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Authors: | Zi-Bo Li |
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Affiliation: | Department of Chemistry, University of Virginia, Charlottesville, Virginia, VA 22904-4319, USA |
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Abstract: | The BINOL-salen compound (S)-5c in combination with Ti(OiPr)4 is found to catalyze the addition of TMSCN to aldehydes to form chiral cyanohydrins with very good enantioselectivity (75-85% ee). The reactions are carried out in one-pot at room temperature without the need to isolate the chiral Lewis acid catalyst. |
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Keywords: | Cyanohydrin Enantioselective Trimethylsilyl cyanide addition Aldehydes Salen BINOL |
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