N-羟基丁二酰亚胺 、 4-(20-Ethyl-2-oxa-6,13,20-triazapentacyclo[12.8.0.03,12.05,10.016,21]docosa-1(14),3,10,12,15,21-hexaen-6-yl)butanoic acid 在
N,N'-二环己基碳二亚胺 作用下,
以
乙腈 为溶剂,
反应 4.0h,
生成
(2,5-Dioxopyrrolidin-1-yl) 4-(20-ethyl-2-oxa-13,20-diaza-6-azoniapentacyclo[12.8.0.03,12.05,10.016,21]docosa-1(14),3,5,10,12,15,21-heptaen-6-yl)butanoate