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À propos de : Synthesis of Xanthones, Thioxanthones, and Acridones by theCoupling of Arynes and Substituted Benzoates        

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  • Synthesis of Xanthones, Thioxanthones, and Acridones by theCoupling of Arynes and Substituted Benzoates
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  • The reaction of silylaryl triflates, CsF, and ortho-heteroatom-substituted benzoates affords a general andefficient way to prepare biologically interesting xanthones, thioxanthones, and acridones. This chemistrypresumably proceeds by a tandem intermolecular nucleophilic coupling of the benzoate with an aryneand a subsequent intramolecular electrophilic cyclization.
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