Preparation and characterization of meso-tetrakis(2,6-diaryloxyphenyl)porphyrins

Author:

Tohara Akira1,Sugawara Yoko2,Sato Mitsuo1

Affiliation:

1. Biophysics Division, Faculty of Pharmaceutical Sciences, Teikyo University, Suwarashi, Sagamikomachi, Sagamihara, Kanagawa 199-0106, Japan

2. Department of Physics, School of Science, Kitasato University, Kitasato, Sagamihara, Kanagawa 228-8555, Japan

Abstract

A series of meso-tetrakis(2,6-diaryloxyphenyl)porphyrins was synthesized by the Lindsey method from pyrrole and 2,6-diaryloxybenzaldehydes, which were prepared by regioselective formylation of 1,3-diaryloxybenzenes. In CDCl 3 solution, 1 H NMR spectral analysis of ring current shifts arising from the porphyrin macrocycle and the attached phenyl rings indicated that meso-tetrakis(2,6-diphenoxyphenyl)porphyrin, the prototypical meso-tetrakis(2,6-diaryloxyphenyl)porphyrin, forms deep open well cavities above and below the porphyrin plane.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Chemistry

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