ChemInform Abstract: Simple Methods for the Preparation of Protected Derivatives of D-allo- and L-allo-Threonine.
Abstract
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ChemInform Abstract
Key step in the synthesis of the title compounds is the enzymatic resolution of threonine diastereomers which are obtained by epimerization of the α-carbon atom in compound (I) via formation of oxazolone derivative (II). This method is developed with a view to the solid-phase synthesis of peptides containing non-proteinogenic amino acids (some yields not given).