Direct synthesis of regioselective α-allyl α-selanyl ketones and selanyl tetra-hydrofurans

[Display omitted] •One pot three-component synthesis of α-allyl α-selanyl ketones and selanyl tetra-hydrofurans.•Ambient temperature of 35 °C.•Facile oxidative elimination delivers the trans-1,3-dienone. An efficient approach for the synthesis of α-allyl α-selanyl ketone and selanyl tetrahydrofurans has been reported in this present work. The sodium methoxide (MeONa) mediated one pot three-component synthesis lead towards a good to an excellent yield of products with a wide substrate scope. The selenylated ketones can be important point towards important organic synthons.