Pyrylium salts acting as both energy transfer and electron transfer photocatalysts for E → Z isomerization of activated alkenes and cyclization of cinnamic or biaryl carboxylic acids
Literature Information
Lei Bao, Jin-Tang Cheng, Zhi-Xiang Wang, Xiang-Yu Chen
2,4,6-Triarylpyrylium salts are stable, readily available and cheap. However, only their electron transfer oxidation ability has been explored. We herein report that they could perform both energy transfer and electron transfer activation modes for the photocascade E → Z isomerization/cyclizations, E → Z isomerization of activated alkenes and oxidative cyclizations.
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Organic Chemistry Frontiers
Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry
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