Porphyrin ring contraction: a one-pot reaction leading to divalent corroles.
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.
Jeandon
Christophe
C
Universite Louis Pasteur, UMR CNRS 7123, Faculte de Chimie, 1 rue Blaise Pascal, 67000 Strasbourg, France.
Ruppert
Romain
R
Callot
Henry J
HJ