(RS)-α-[(2-morpholinoethyl)carbamoylmethyl]-1-naphthalenepropionic acid 、
(S)-α-amino-N-[(1S,2S,4S)-1-(cyclohexylmethyl)-2-hydroxy-4-isopropyl-5-hexenyl]imidazole-4-propionamide 在
O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 作用下,
以
甲醇 、
二氯甲烷 、
乙腈 为溶剂,
生成 N-[(1S,2S.4S)-1-(cyclohexylmethyl)-2-hydroxy-4-isopropyl-5-hexenyl]-α-[3-[(2-morpholinoethyl)carbamoyl]-2-(1-naphthylmethyl)propionamido]imidazole-4-propionamide