NH4I/EtOCS2K promoted synthesis of substituted benzils from diphenylacetylene derivatives |
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| Authors: | Shaohua Jiang Yibiao Li Xianglin Luo Guoling Huang Yan Shao Dongli Li Bin Li |
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| Affiliation: | School of Chemical & Environmental Engineering, Wuyi University, Jiangmen, Guangdong Province 529090, China |
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| Abstract: | A facile protocol is described for the synthesis of benzil derivatives from readily accessible diarylacetylene derivatives using the NH4I/EtOCS2K system. This novel protocol results in excellent chemoselectivity and provided good to excellent yields. A control experiment indicated that the reaction proceeds via NH4I promoted EtOCS2K dimerization to give the corresponding dixanthogen and subsequent dixanthogen assisted oxidation. |
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| Keywords: | Benzil Oxidation Transition-metal-free Radical Dixanthogen |
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