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Synfacts 2008(11): 1220-1220
DOI: 10.1055/s-0028-1083383
DOI: 10.1055/s-0028-1083383
Organo- and Biocatalysis
© Georg Thieme Verlag
Stuttgart ˙ New YorkQuaternary α-Amino Acids and Derivatives
S. Cabrera, E. Reyes, J. Alemán, A. Milelli, S. Kobbelgaard, K. A. Jørgensen*
Aarhus University, Denmark
Weitere Informationen
Publikationsverlauf
Publikationsdatum:
23. Oktober 2008 (online)

Significance
Racemic oxazolones 1 are used as masked amino acid fragments and employed in a diastereo- and enantioselective nucleophilic addition to α,β-unsaturated aldehydes 2. The reaction is catalyzed by commercially available diarylprolinol silyl ether 3 and yields α,α-disubstituted α-amino acid derivatives with two new chiral centers in a one-step synthesis.