title: Porphyrin ring contraction: a one-pot reaction leading to divalent corroles.
abstract: Reaction of nickel meso-tetraarylporphyrins with benzoic anhydride and tin tetrachloride, followed by air oxidation under basic conditions, results in ring contraction, yielding divalent corroles.
authors.affiliation: Universite Louis Pasteur, UMR CNRS 7123, Faculte de Chimie, 1 rue Blaise Pascal, 67000 Strasbourg, France.
authors.forename: Christophe
authors.initials: C
authors.lastname: Jeandon
authors.forename: Romain
authors.initials: R
authors.lastname: Ruppert
authors.forename: Henry J
authors.initials: HJ
authors.lastname: Callot