157795-60-3Relevant articles and documents
Oxidative Cyclodehydrogenation Reactions with Tetraarylporphyrins
Hampel, Frank,Jux, Norbert,Martin, Max M.,Oleszak, Christoph
supporting information, p. 6758 - 6762 (2020/11/23)
The extension of the aromatic π-system of porphyrins is a powerful method to alter their optoelectronic properties. Herein, aryl substituents were fused to porphyrin cores by Scholl oxidation reactions that selectively produced mono- and doubly-fused porphyrins in yields of up to 69 %. Several different aryl substituents attached to the porphyrin were investigated with respect to their reactivity under Scholl conditions. The fused products were fully characterized, i.e., by UV/Vis absorption spectroscopy, which showed drastic changes in the electronic features. Insight into the solid-state behavior was obtained by X-ray crystallography. Our approach represents a novel option for the late-stage functionalization of porphyrin-based compounds.
Synthesis of calix[3]dipyrrins by a modified Lindsey protocol
Inoue, Mitsunori,Ikeda, Chusaku,Kawata, Yuji,Venkatraman, Sundararaman,Furukawa, Ko,Osuka, Atsuhiro
, p. 2306 - 2309 (2008/03/12)
(Figure Presented) Bowled over: Calix[3]dipyrrins were synthesized from pyrrole and aryl aldehyde precursors by the Lindsey protocol, modified by the presence of a small amount of water. These bowl-shaped macrocycles can accommodate three metal (M) ions such as NiII and CuII in a hexagonal M3O3 manner (see structure; Cu green, N blue, O red, C black).
