Contrasting photochemical behavior between meta-substituted and para-substituted aromatic polycarbonyl compounds |
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| Authors: | Yoshikatsu Ito Nobuhiro Kawatsuki Teruo Matsuura |
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| Affiliation: | Department of Synthetic Chemistry, Faculty of Engineering, Kyoto University, Kyoto 606, Japan |
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| Abstract: | The meta-substituted polyketones 1b - f, including the parent ketone 1a, afforded approximately similar values for the quantum yield of benzocyclobutenol formation (ΦCB), the triplet lifetime (τ), ET and λmax, respectively. In contrast, ΦCB, τ, ET, and λmax of the para-substituted polyketones 2a - c depended on their molecular structures. |
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