1 Laboratoire d'Electrochimie Organique et de Photochimie Rédox, UMR CNRS 5630, Institut de Chimie Moléculaire de Grenoble, FR CNRS 2607, Université Joseph Fourier, BP 53, 38041, Grenoble Cédex 9, France. christophe.bucher@ujf-grenoble.fr
The utility of an electrochemical oxidative strategy in the synthesis of expanded porphyrins is demonstrated by the preparation of cyclo[8]pyrrole in high yield via a bipyrrole C(2)-C(2)' coupling process.