Control of dihedral angle of meso-meso linked diporphyrins by introducing dioxymethylene straps of various length |
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| Authors: | Yoshida N Osuka A |
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| Institution: | Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan. |
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| Abstract: | Meso-meso linked strapped diporphyrins S(n)(n = 10, 8, 6, 4, 3, 2, and 1) were synthesized by intramolecular Ag(I)-promoted coupling of dioxymethylene-bridged diporphyrins B(n). With decrease of strap length, the absorption and fluorescence spectra and the one-electron oxidation potentials of S(n) changed in a systematic manner, suggesting a progressive increase in electronic communication of two porphyrins. |
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