Allyl sulfides are important organosulfur compounds. K2S2O8 promoted dehydrative cross-coupling between α,α-diaryl allylic alcohols and thiophenols/thiols is demonstrated for the first time, which results in a wide range of allyl...

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Double-oxidative dehydrogenative (DOD) cyclization is one of the most straightforward strategies for the synthesis of cyclic compounds. A novel approach to substituted 3,4-dihydroquinoline-3-one derivatives via a Cu­(II)/DDQ/O2 system-catalyzed DOD [4+2]-cyclization/dehydrogenation/oxygenation cascade reaction of N-arylglycine derivatives, cumenes, and O2 has been developed.