A two-component pericyclic reaction for synthesis of substituted benzofurans and aryl-quaternary carbon bonds |
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Authors: | Hendrickson J B Walker M A |
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Institution: | Department of Chemistry, Brandeis University, Waltham, Massachusetts 02454-9110, USA. jbh@jbh.chem.brandeis.edu |
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Abstract: | The reaction shown is presumed to be a new 3,3]-sigmatropic rearrangement involving an O-arylsulfoxonium species or related sulfurane. It allows a sulfoxide and a phenol to be joined and rearranged in one operation at or below room temperature, coupling an aromatic to a quaternary carbon and creating benzofurans or articulated dihydrobenzofurans in a number of examples. |
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