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More than a CO source: palladium-catalyzed carbonylative synthesis of butenolides from propargyl alcohols and TFBen

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Abstract

Palladium-catalyzed direct carbonylation of propargyl alcohols for the synthesis of butenolides has been achieved. This transformation employs benzene-1,3,5-triyl triformate (TFBen) as the CO source and provides a facile and straightforward access to various substituted butenolides in high yields (up to 85%). Notably, phloroglucinol as the decomposed product of TFBen promotes the formation of butenolides.

Graphical abstract: More than a CO source: palladium-catalyzed carbonylative synthesis of butenolides from propargyl alcohols and TFBen

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Publication details

The article was received on 18 Jun 2019, accepted on 16 Jul 2019 and first published on 19 Jul 2019


Article type: Research Article
DOI: 10.1039/C9QO00779B
Org. Chem. Front., 2019, Advance Article

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    More than a CO source: palladium-catalyzed carbonylative synthesis of butenolides from propargyl alcohols and TFBen

    Z. Le, J. Ying and X. Wu, Org. Chem. Front., 2019, Advance Article , DOI: 10.1039/C9QO00779B

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