Abstract

A new synthetic procedure for fluorinated N-fused ring, 2F-fluorazone (1,2-difluoro-9H-pyrrolo[1,2]-indol-9-one), has been developed. It connected with acetylene to obtain the first example of fluorinated N-fused rings luminescent liquid crystals (LLCs). CH3O-fluorazone-2F and CH3O-fluorazone display yellow and orange fluorescence respectively, and their properties can be tuned by the substitution pattern.

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