2-[[48-(Carboxymethoxy)-12-formyl-3,6,9,16,19,22-hexaoxaheptacyclo[22.15.7.130,34.141,45.02,36.010,15.023,28]octatetraconta-1,10(15),11,13,23,25,27,30(48),31,33,36,38,41,43,45(47)-pentadecaen-47-yl]oxy]acetic acid 、 Ethyl 2-[[48-(2-ethoxy-2-oxoethoxy)-12-(hydroxymethyl)-3,6,9,16,19,22-hexaoxaheptacyclo[22.15.7.130,34.141,45.02,36.010,15.023,28]octatetraconta-1,10(15),11,13,23,25,27,30(48),31,33,36,38,41,43,45(47)-pentadecaen-47-yl]oxy]acetate 在
4-二甲氨基吡啶 、
N,N'-二环己基碳二亚胺 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以91%的产率得到Ethyl 2-[[12-[[2-[[48-[2-[[47,48-bis(2-ethoxy-2-oxoethoxy)-3,6,9,16,19,22-hexaoxaheptacyclo[22.15.7.130,34.141,45.02,36.010,15.023,28]octatetraconta-1(39),2(36),10(15),11,13,23(28),24,26,30(48),31,33,37,41,43,45(47)-pentadecaen-12-yl]methoxy]-2-oxoethoxy]-12-formyl-3,6,9,16,19,22-hexaoxaheptacyclo[22.15.7.130,34.141,45.02,36.010,15.023,28]octatetraconta-1,10(15),11,13,23,25,27,30(48),31,33,36,38,41,43,45(47)-pentadecaen-47-yl]oxy]acetyl]oxymethyl]-48-(2-ethoxy-2-oxoethoxy)-3,6,9,16,19,22-hexaoxaheptacyclo[22.15.7.130,34.141,45.02,36.010,15.023,28]octatetraconta-1,10(15),11,13,23,25,27,30(48),31,33,36,38,41,43,45(47)-pentadecaen-47-yl]oxy]acetate