以2，7-二溴芴酮为原料，在芴的9位引入三苯胺等芳香取代基代替烷基取代基，增加9位的稳定性。

Starting from 2,7-dibromofluorene, two aryl substituents were introduced to the 9position of fluorene to replace the commonly used alkyl groups to increase the stability of fluorene.

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以2，7-二溴芴酮为原料，在芴的9位引入三苯胺等芳香取代基代替烷基取代基，增加9位的稳定性。

Starting from 2,7-dibromofluorene, two aryl substituents were introduced to the 9position of fluorene to replace the commonly used alkyl groups to increase the stability of fluorene.

youdao