Abstract

1-Tosyl-4-pyrrolyl-1,3-enynes have been synthesized in 37–68% yields by t-BuOK-assisted chemo selective reaction (reflux in THF, 1 h) of 2-(acylethynyl)pyrroles with tosylmethylisocyanide (TosMIC), a widespread reagent, which here manifests a new functionality.

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