Synthesis of directly and doubly linked dioxoisobacteriochlorin dimers.
Oxidation of 2,18-diborylporphyrin provided 2,18-dihydroxyporphyrin, which shows solvent-dependent keto-enol tautomerism and dimerization through hydrogen bonding interaction in solution. Further oxidation of 2,18-dihydroxyporphyrins afforded doubly and directly linked dioxoisobacteriochlorin face-to-face dimers.
Hiroto
Satoru
S
Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan.
Hisaki
Ichiro
I
Shinokubo
Hiroshi
H
Osuka
Atsuhiro
A