title: Metal-dependent regioselective oxidative coupling of 5,10,15-triarylporphyrins with DDQ-Sc(OTf)3 and formation of an oxo-quinoidal porphyrin.
abstract: [reaction: see text] Regioselectivity of the oxidative coupling of 5,10,15-triarylporphyrin metal complexes with DDQ-Sc(OTf)(3) was dependent on the central metal and meso-aryl substituent. Oxo-quinoidal porphyrin was obtained from Ni(II) porphyrin under the same conditions.
authors.affiliation: Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan.
authors.forename: Makoto
authors.initials: M
authors.lastname: Kamo
authors.forename: Akihiko
authors.initials: A
authors.lastname: Tsuda
authors.forename: Yasuyuki
authors.initials: Y
authors.lastname: Nakamura
authors.forename: Naoki
authors.initials: N
authors.lastname: Aratani
authors.forename: Ko
authors.initials: K
authors.lastname: Furukawa
authors.forename: Tatsuhisa
authors.initials: T
authors.lastname: Kato
authors.forename: Atsuhiro
authors.initials: A
authors.lastname: Osuka