monobenzyl mono-tertbutyl 5-aminoisophthalate 、 25,26,27,28-Tetrakis(2-methoxyethoxy)pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene-5,11,17,23-tetrasulfonyl chloride 在
吡啶 作用下,
以
二氯甲烷 为溶剂,
以73%的产率得到1-O-benzyl 3-O-tert-butyl 5-[[25,26,27,28-tetrakis(2-methoxyethoxy)-11,17,23-tris[[3-[(2-methylpropan-2-yl)oxycarbonyl]-5-phenylmethoxycarbonylphenyl]sulfamoyl]-5-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaenyl]sulfonylamino]benzene-1,3-dicarboxylate