Green-light-driven thioxanthylium-based organophotoredox catalysts: Organophotoredox promoted radical cation Diels-Alder reaction |
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| Authors: | Kenta Tanaka Mami Kishimoto Mayumi Sukekawa Yujiro Hoshino Kiyoshi Honda |
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| Institution: | Graduate School of Environment and Information Sciences, Yokohama National University, Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan |
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| Abstract: | Thioxanthylium-based organophotoredox catalysts that operate under irradiation with green light have been developed. These catalysts present high excited-state reduction potentials (E0′(C1/C?)?=?+1.79–1.94?V vs SCE). They are able to efficiently activate dienophiles under green or blue light irradiation afforded the targeted radical cation Diels-Alder cycloadducts in good yields. The present thioxanthylium-based catalysts provide a new green-light-driven photoredox catalysis system. |
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| Keywords: | Organophotoredox catalyst Green light Thioxanthylium Radical cation Diels-Alder reaction |
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