Synthesis of 2-Methylthio-4H-4-chromenones via Ketene Dithioacetal in the One-Pot Reaction |
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| Authors: | Ge Hyeong Lee Chwang Siek Pak |
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| Institution: | Korea Research Institute of Chemical Technology P.O.Box 107, Yusung , Taejeon, 305-600, Korea |
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| Abstract: | 2-Methylthio-4H-4-chromenone which is key intermediate for the synthesis of 2-methylsulfonyl-4H-4-chromenone, equivalent to 2-halo-4H-4-chromenone, was very easily and efficiently synthesized from 2'-hydroxyacetophenone analogues via ketene dithioacetal in the one-pot reaction. |
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