1-(6-((2,5-dioxopyrrolidin-1-yl)oxy)-6-oxohexyl)-2-(5-(3-(6-((2,5-dioxopyrrolidin-1-yl)oxy)-6-oxohexyl)-1-(6-ethoxy-6-oxohexyl)-3-methyl-5-sulfoindolin-2-ylidene)penta-1,3-dien-1-yl)-3,3-dimethyl-3H-indol-1-ium-5-sulfonate 在
水 、 sodium hydroxide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成 8-(5-carboxypentyl)-15,39,39-trimethyl-21,26-dioxo-12-sulfo-8,22,25-triaza-32-azoniapentacyclo[30.7.0.07,15.09,14.033,38]nonatriaconta-1(32),2,4,6,9(14),10,12,33(38),34,36-decaene-36-sulfonate