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Synthesis of dihydrofuro- and C-alkenylated naphthoquinones catalyzed by manganese(III) acetate

2014    Alagoz, Oguzhan; Yilmaz, Mehmet; Pekel, A. Tarik; Graiff, Claudia; Maggi, Raimondo

The easily synthesis of dihydrofuronaphthoquinones and C-alkenylated naphthoquinones has been investigated through the radical oxidative cyclization of 2-hydroxy-1,4-naphthoquinones and thiophene or furan substituted alkenes catalyzed by manganese(III) acetate. The corresponding heteroaryl substituted dihydrofurans and naphthoquinones have been isolated in good yields.