[9-[12,18-Bis(2-methoxy-2-oxoethyl)-22-methyl-9-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethoxy]-2,5,15-trioxa-12,18-diazatricyclo[17.4.0.06,11]tricosa-1(19),6(11),7,9,20,22-hexaen-8-yl]-6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium;chloride 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以95%的产率得到2-[[8-[3-(Dimethylamino)-6-dimethylazaniumylidenexanthen-9-yl]-12,18-bis(2-methoxy-2-oxoethyl)-22-methyl-2,5,15-trioxa-12,18-diazatricyclo[17.4.0.06,11]tricosa-1(19),6(11),7,9,20,22-hexaen-9-yl]oxy]acetate