Process for the preparation of alfa-L-aspartyl-L-phenylalanine alkyl esters.

摘要

A new process for preparing alfa-L-aspartyl-L-phenylalanine alkyl esters of formula I
<Chemistry id="chema01" num="0001"><Image id="ia01" he="16" wi="78" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>
wherein R represents an alkyl group having from 1 to 5 carbon atoms, starting from the corresponding alfa-haloacyl-alfa-L-aspartyl-L-phenylalanine alkyl esters.