Summary
A method has been devised for the synthesis of β-lacrams from amides of β-ha!ocarboxylic acids. Some new azetidinones with residues containing carboxyl groups on the nitrogen have been piepated. The method permits the conversion of $-amino acids trio difficulty accessible mixed (secondary) amino acids.
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Knunyants, I.L., Gambaryan, N.P. New method of preparing β-lactams. Russ Chem Bull 4, 951–956 (1955). https://doi.org/10.1007/BF01172115
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DOI: https://doi.org/10.1007/BF01172115