(4-(((2-oxo-2H-chromen-7-yl)oxy)methyl)phenyl)boronic acid 、 、 4-amino-N-(2-azidoethyl)-3-hydroxybenzamide 以
乙腈 为溶剂,
以17%的产率得到N-(2-azidoethyl)-6-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]-9-methyl-1-[4-[(2-oxochromen-7-yl)oxymethyl]phenyl]-2,17-dioxa-10-azonia-1-boranuidatetracyclo[8.7.0.03,8.011,16]heptadeca-3(8),4,6,9,11(16),12,14-heptaene-14-carboxamide