naphthalen-1-ylmethyl (2S,5R)-2-allyl-5-amino-3-aza-8-([(3,4-dihydro-2,2,5,7,8-pentamethyl-2H-1-benzopyran-6-yl)sulfonyl]guanidino)-4-oxooctanoate 、
N-alpha-芴甲氧羰基-N-epsilon-叔丁氧羰基-D-赖氨酸 在
1-羟基苯并三唑 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
乙腈 为溶剂,
以81%的产率得到naphthalen-1-ylmethyl (2S,5R,8R)-2-allyl-3,6-diaza-8-(9H-9-fluorenylmethoxycarboxamido)-5-(3-([(3,4-dihydro-2,2,5,7,8-pentamethyl-2H-1-benzopyran-6-yl)sulfonyl]guanidino)propyl)-12-(1,1-dimethylethoxycarbonylamino)-4,7-dioxododecanoate