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Synthesis 2006(19): 3341-3347
DOI: 10.1055/s-2006-950228
DOI: 10.1055/s-2006-950228
SPECIALTOPIC
© Georg Thieme Verlag Stuttgart · New York
Aromatic Nitro Groups and Their Reactions with Chelated Ester Enolates
Further Information
Received
1 May 2006
Publication Date:
04 September 2006 (online)
Publication History
Publication Date:
04 September 2006 (online)
Abstract
Chelated amino acid ester enolates react with aromatic nitro compounds in a 1,3-addition mode at the nitro group giving amino acids bearing an aryl(hydroxy)amino side chain. Best results were obtained with trifluoroacetyl-protected glycinates. Two equivalents of enolate are necessary for complete conversion, because one equivalent is oxidized during the reaction.
Key words
amino acids - chelates - enolates - nitroarenes - nitrosoarenes
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