The invention relates to a method for producing optically active 3-aminocarboxylic acid ester compounds. According to said method, an enantiomer mixture of a mono-N-acylated 3-aminocarboxylic acid ester, which mixture was previously enriched in an enantiomer, is subjected to deacylation and then to a further enantiomer enrichment by crystallization by adding an acidic salt-forming substance.
本发明涉及一种生产光学活性3-
氨基
羧酸酯化合物的方法。根据该方法,先将单N-酰化的3-
氨基
羧酸酯的对映体混合物在对映体富集后,经脱酰化处理,再通过添加酸性盐形成物结晶进行进一步的对映体富集。