Abstract
Asymmetric Michael reactions of aldehydes and dicyanoalkenes catalyzed by diphenylprolinol silyl ether give the corresponding Michael adducts in good yields with excellent enantioselectivities. The diastereoselectivity is dependent on the bulkiness of the Michael donor. The Michael adducts can be easily transformed into useful chiral compounds such as lactones, esters, and monocyanated derivatives.
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