1-butyl-5-carboxy-2,3,3-trimethyl-3H-indolium iodide 、
3-(5-(5-(4-(bis(4-(hexyloxy)phenyl)amino)phenyl)thiophen-2-yl)thiophen-2-yl)-4-hydroxycyclobut-3-ene-1,2-dione 以
正丁醇 、
苯 为溶剂,
反应 20.0h,
以38%的产率得到5-carboxy-2-[[3-(5-(5-(4-(bis(4-(hexyloxy)phenyl)amino)phenyl)thiophen-2-yl)thiophen-2-yl)-2-hydroxy-4-oxo-2-cyclobuten-1-ylidene]methyl]-3,3-dimethyl-1-butyl-3H-indolium