Tetrahedron p. 5253 - 5262 (1990)
Update date:2022-08-05
Topics:
Callot
Schaeffer
Cromer
Metz
Substituted α-styrylcobalt(III)tetraphenylporphyrins rearrange to naphto(a,t)porphyrin derivatives, one carbon atom of the styryl fragment being bound to a pyrrolic position and an ortho carbon atom of a vicinal phenyl group. This unexpected result led us to reinvestigate the acid-catalyzed cyclization of 2-formyltetraphenylporphyrins, which produces the same naphtoporphyrin framework.
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