(2'-allyloxy-[1,1']-(S)-binaphthalen-2-yloxy)-acetic acid 、
benzyl (2S,5R,8R)-8-amino-3,6-diaza-5-(3-([(3,4-dihydro-2,2,5,7,8-pentamethyl-2H-1-benzopyran-6-yl)sulfonyl]guanidino)propyl)-2,10-dimethyl-4,7-dioxoundecanoate 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92%的产率得到benzyl (2S,5R,8R)-11-((S)-2'-allyloxy-1,1'-binaphth-2-yloxy)-5-(3-([(3,4-dihydro-2,2,5,7,8-pentamethyl-2H-1-benzopyran-6-yl)sulfonyl]guanidino)propyl)-2-methyl-8-(2-methylpropyl)-3,6,9-triaza-4,7,10-trioxoundecanoate