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meso-Alkyl-Substituted meso-meso Linked Diporphyrins and meso-Alkyl-Substituted meso-meso, β-β, β-β Triply Linked Diporphyrins

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journal contribution
posted on 13.05.2005, 00:00 by Satoru Hiroto, Atsuhiro Osuka
AgPF6-promoted oxidation of 5,10,15-trialkyl zinc(II) porphyrins led to formation of meso-meso linked diporphyrins, which were further oxidized with Sc(OTf)3 and DDQ to give meso-meso, β-β, β-β triply linked diporphyrins that exhibited a stronger aggregation propensity than corresponding meso-aryl diporphyrins.