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Synthesis 2009(10): 1725-1731
DOI: 10.1055/s-0028-1088121
DOI: 10.1055/s-0028-1088121
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
Stereoselective Synthesis of β-Branched Phenylalanine Derivatives via Chelate-Claisen Rearrangement
Weitere Informationen
Received
20 November 2008
Publikationsdatum:
14. April 2009 (online)
Publikationsverlauf
Publikationsdatum:
14. April 2009 (online)
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Abstract
Ester enolate Claisen rearrangement of chelated N-protected chiral amino acid cinnamyl esters results in the formation of substituted phenylalanine derivatives with unsaturated side chains in good yields and with a high degree of chirality transfer.
Key words
amino acids - chelates - esters - rearrangements - stereoselective synthesis
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