Preparative Organic Chemistry
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ChemInform Abstract: Effects of Subjoin Lewis Acid on the Catalytic Asymmetric Allylic Transfer Reactions of Aldehydes Promoted by BINOL-Ti(IV) Complex.
First published: 02 August 2010
Abstract
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ChemInform Abstract
Aldehydes (I) undergo an effective asymmetric addition reaction with tin reagents (II) and (IV) in the presence of catalytic chiral BINOL- Ti(IV) complex and subjoined Lewis acid B(OMe)3. The presence of B(OMe) 3 remarkably increases the rate and catalytic capability; however, the effect is not yet fully understood.
