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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Related Literature
Federated Malay States. Annual Report of the Institute of Medical Research for the year 1938
DOI: 10.1039/AN940650459B
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