Methods L-alanyl-L -glutamine dipeptide was prepared by condensation and ammoniation reaction of L -glutamine and 2-D-chloropropionyl chloride.

• 方法以L-谷氨酰胺和2-D-氯丙酰氯为原料，通过缩合、胺化等反应，合成L-丙氨酰-L-谷氨酰胺双肽；