Access to Spiro-bicyclo[2.1.1]hexanes via BF3∙Et2O-Catalyzed Formal [2π + 2σ] Cycloaddition of Bicyclo[1.1.0]butanes with Benzofuran-derived Oxa(aza)dienes
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DOI: 10.1039/d4qo00511b
Abstract: Herein, we have developed a method for the construction of spiro[benzofuran-2,2'-bicyclo[2.1.1]hexanes] via BF3·Et2O-catalyzed formal [2π + 2σ] cycloaddition of bicyclo[1.1.0]butanes with benzofuran-derived oxa(aza)dienes. This transformation allowed for facile access to... read more here.
Keywords: hexanes via; via bf3; bicyclo; bf3 et2o ... See more keywords