5,10,15,20-Mesotetrakis(3,5-di-t-butyl-4-quinomethide)porphyrinogen: a highly puckered tetrapyrrolic macrocycle from the facile aerial oxidation of a phenolic porphyrin
Abstract
The unusually highly puckered macrocyclic core of the title compound confirms proposed conformational changes which are essential for the facile aerial oxidation of phenolic porphyrins, such as meso-tetrakis(3,5-di-t-butyl-4-hydroxyphenyl)porphyrin (1).