A new synthetic approach to benzoporphyrins and Kröhnke type porphyrin-2-ylpyridines

Chemical Communications : Chem Comm
Nuno M M MouraJosé A S Cavaleiro

Abstract

The reaction of 2-formyl-5,10,15,20-tetraphenylporphyrin with aryl methyl ketones and ammonium acetate, in the presence of La(OTf)(3), affords benzoporphyrins and 2-(2,6-diarylpyridin-4-yl)porphyrins. This methodology was used to prepare, for the first time, a 2-(2,2':6',2''-terpyridin-4'-yl)porphyrin. The structures of two 2-(2,6-diarylpyridin-4-yl)porphyrins were confirmed by single-crystal X-ray diffraction.

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Citations

Aug 2, 2017·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Ana F R CerqueiraM Graça P M S Neves
Jun 13, 2013·The Journal of Organic Chemistry·Carla M B CarvalhoJosé A S Cavaleiro
Apr 13, 2018·The Journal of Organic Chemistry·Nuno M M MouraMaria G P M S Neves

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