A fluoride anion kicks off the generation of a high energetic species benzyne, which enables two successive trapping reactions.

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The protocol succeeds for the etherification of acyclic and cyclic acylated alcohols, namely esters and lactones, using alkyl, alkenyl, and benzyl halogenides, but fails using tosylated alcohols.

Interception of Benzyne with Thioethers: A Facile Access to Sulfur Ylides under Mild Conditions. -A novel facile and efficient one-pot process to synthesize spiro epoxyindoles is developed involving benzyne as capturing agent for arylmercaptan to generate sulfonium ylides which react with the C-3 carbonyl of isatins. -(XU*, H.-D.; CAI, M.-Q.; HE, W.-J.; HU, W.-H.; SHEN, M.-H.; RSC Adv. 4 (2014) 15, 7623-7626, http://dx.doi.org/10.1039/c3ra47206j ; Shanghai Eng. Res. Cent. Mol. Ther., East China Norm. Univ., Shanghai 200062, Peop. Rep. China; Eng.) -Mais 45-116