Abstract

5,15-Bis(pentafluorophenyl)-10-nitrocorrole and its pyridinate Ga(III) complex were obtained by nitration of the corresponding meso-free corroles in moderate yields. The acidity of the central NH proton proved to be significantly increased in the freebase form, suggesting the stabilization of 2NH-corrole anionic state due to the resonance effect of the nitro group. Fluorescence quenching was observed for meso-nitrocorrole and its Ga(III) complex.

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