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Acta Cryst. (2003). E59, o86-o88 [ doi:10.1107/S1600536802023231 ]
Abstract: The title compound, C21H25NO6, prepared using a procedure for the synthesis of enantiomerically pure 5-oxo-
-amino acids, has three fully extended substituents on the central
-C atom of the amino acid. Relatively weak N-H
O=C hydrogen bonds (N
O > 3 Å) link the molecules into chains.
Online 24 December 2002
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