2,2-difluoro-8-methoxy-5-methyl-2l4,6l4-tellurochromeno[4,5-de][1,3,2]dioxaborinine 、
benzo{b}tellurapyranone 以
乙酸酐 为溶剂,
以25%的产率得到2,2-difluoro-8-methoxy-5-((7-methoxy-2-phenyl-4H-tellurochromen-4-ylidene)methyl)-2l4,6l4-tellurochromeno[4,5-de][1,3,2]dioxaborinine