Abstract
AbstractThe first direct asymmetric Mannich reaction of malononitrile to N‐Boc‐protected imines has been developed with cinchona alkaloid as catalyst. The procedure could tolerate a relatively wide range of substrates, and results in excellent yields and good enantioselectivities even in the presence of only 1 mol% of catalyst loading. The present work provides an easy access to β‐amino malononitrile derivatives.
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