8-[3,4-dihydroxyphenyl]-2,6-bis(ethoxycarbonyl)-1,3,5,7-tetramethyl-4,4-difluoro-4-bora-3a,4a-diaza-s-indacene*0.2ethyl acetate 在
Cl
2C
4O
2(CN)2 or (NH
4)2Ce(NO
3)6 or FeCl
3 or CuCl
2 作用下,
以
甲醇 为溶剂,
生成
8-[o-benzoquinone-4-yl]-2,6-bis(ethoxycarbonyl)-1,3,5,7-tetramethyl-4,4-difluoro-4-bora-3a,4a-diaza-s-indacene