triethylammonium 3-(dicyanomethylene)-2-ethoxy-4-oxocyclobut-1-enolate 、
3-dodecyl-2-methylnaphtho[2,1-d]thiazol-3-ium iodide 以
正丁醇 、
苯 为溶剂,
反应 5.0h,
以60%的产率得到3-(dicyanomethylene)-2-((3-dodecylnaphtho[2,1-d]thiazol-2(3H)-ylidene)methyl)-4-((3-dodecylnaphtho[2,1-d]thiazol-3-ium-2-yl)methylene)cyclobut-1-en-1-olate