(S)-2,4,6-trimethylbenzyl 2-amino-4-methylpentanoate hydrochloride 、 (S)-2-(6-Nitro-cyclohexa-1,3-dienylsulfanylamino)-3-phenyl-propionic acid; compound with dicyclohexyl-amine 在
N,N'-二环己基碳二亚胺 作用下,
以
氯仿 为溶剂,
以88%的产率得到o-nitrophenylthio-L-phenylalanyl-L-leucine 2,4,6-trimethylbenzyl ester