α-sulfo-β-alaninyl-α-sulfo-β-alanine 、 3-[3-[4-[2-[8-(4-carboxyphenyl)-12-[2-[4-[3-[dimethyl(3-sulfonatopropyl)azaniumyl]prop-1-ynyl]phenyl]ethenyl]-2,2-bis[3-(2-methoxyethoxy)prop-1-ynyl]-6,10-dimethyl-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaen-4-yl]ethenyl]phenyl]prop-2-ynyl-dimethylazaniumyl]propane-1-sulfonate 在
TSTU 、 DIEA 作用下,
以
further solvent(s) 为溶剂,
以47%的产率得到3-[3-[4-[2-[8-[4-[[3-[(2-carboxy-2-sulfoethyl)amino]-3-oxo-2-sulfopropyl]carbamoyl]phenyl]-12-[2-[4-[3-[dimethyl(3-sulfonatopropyl)azaniumyl]prop-1-ynyl]phenyl]ethenyl]-2,2-bis[3-(2-methoxyethoxy)prop-1-ynyl]-6,10-dimethyl-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaen-4-yl]ethenyl]phenyl]prop-2-ynyl-dimethylazaniumyl]propane-1-sulfonate