An enantio- and diastereoselective direct vinylogous Mannich reaction of α,α-dicyanoolefins and N-sulfonyl alkylimines has been developed by the catalysis of a new family of bifunctional organocatalysts merging chiral BINOL and 9-amino-9-deoxyepi-cinchona alkaloid skeletons, from which chiral β-, δ- or γ-amino compounds could be efficiently derived.
X. Xiong, Z. Jia, W. Du, K. Jiang, T. Liu and Y. Chen, Chem. Commun., 2009, 6994 DOI: 10.1039/B917408G
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