Ji-Wang Fang, Lige Xu, Bowen Fang
Apr 11, 2017
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Journal
Synlett
Abstract
Abstract A cerium(IV) sulfate tetrahydrate promoted oxidative cyclization of quinones with olefins is developed. It proceeds through a tandem [3+2]-cyclization–oxidative coupling–[3+2]-cyclization process, in which tetrahydrobenzodifurans were conveniently constructed in high yields. Moreover, this method exhibits a good functional-group tolerance and scalability.