Synthetic Communications

An International Journal for Rapid Communication of Synthetic Organic Chemistry

Volume 45, 2015 - Issue 14

226

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Original Articles

Expedient Strategy for the Synthesis of 5-Acylethynylpyrrole-2-carbaldehydes

Denis N. TomilinA. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russian Federation

Lyubov N. SobeninaA. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russian Federation

Marina V. MarkovaA. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russian Federation

Maxim D. GotskoA. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russian Federation

Igor A. UshakovA. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russian Federation

Vladimir I. SmirnovA. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russian Federation

Alexander V. VaschenkoA. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russian Federation

Albina I. MikhalevaA. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russian Federation

Boris A. TrofimovA. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russian FederationCorrespondence[email protected]

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Abstract

5-Acylethynylpyrrole-2-carbaldehydes have been synthesized from the protected pyrrole-2-carbaldehydes by their transition-metal-free topochemical mechanoactivated ethynylation with acylbromoacetylenes in a solid Al₂O₃ medium (room temperature, 6 h, 41–54% yields).

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Expedient Strategy for the Synthesis of 5-Acylethynylpyrrole-2-carbaldehydes

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Expedient Strategy for the Synthesis of 5-Acylethynylpyrrole-2-carbaldehydes

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GRAPHICAL ABSTRACT

SUPPLEMENTAL MATERIAL

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