ASYMMETRIC ALLYLATION OF PROCHIRAL ALDEHYDES WITH A NEW ENANTIOSELECTIVE ALLYLATING AGENT PREPARED FROM STANNOUS TRIFLATE, A CHIRAL DIAMINE, AND ALLYLDIALKYLALUMINUM

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Abstract
A new enantioselective allylating agent, prepared by treatment of a mixture of stannous trifluoromethanesulfonate and a chiral diamine with allyldialkylaluminum, reacts with prochiral aldehydes to give secondary homoallyl alcohols in good optical yield.