Catalytic Asymmetric Direct Aldol Reaction of α-Alkyl Azlactones and Aliphatic Aldehydes.
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ABSTRACT: An unprecedented highly diastereoselective and enantioselective aldol reaction of α-alkyl azlactones and aliphatic aldehydes was achieved with cinchona alkaloid catalysts. To our knowledge, this reaction provides the first useful catalytic asymmetric access toward β-hydroxy-α-amino acids bearing alkyl substituents, which are structural motifs embedded in many natural products.
SUBMITTER: Zheng Y
PROVIDER: S-EPMC4762611 | biostudies-literature |
REPOSITORIES: biostudies-literature
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