2,3-dimethyl-benzooxazolium; tetrafluoroborate 、
[2-(3-methyl-3H-benzooxazol-2-ylidene)-ethylidene]-malonaldehyde 以
乙酸酐 为溶剂,
反应 0.17h,
生成 3,3'-dimethyl-2,2'-{3-[2-(3-methyl-3
H-benzooxazol-2-ylidene)-ethylidene]-penta-1,4-diene-1,5-diyl}-bis-benzooxazolium; bis-tetrafluoroborate