The synthetic medium of optical N acylalanines was N (2,6 xylyl) alanine.It was reacted with 1 menthol and prepared into its menthol esters which were purified by TLC, resolved and determined by HPLC.

光学活性杀菌剂的合成中N-（2，6-甲苯基）-丙酸与l-薄荷化剂作用下，生成非对映异构的薄荷酯。