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anti-Hydroarylation of Activated Internal Alkynes: Merging Pd and Energy Transfer Catalysis

Javier Corpas, Pablo Mauleón*, Ramón Gómez Arrayás* and Juan C. Carretero*

*Universidad Autónoma de Madrid, c/Fco. Tomás y Valiente 7, Cantoblanco, 28049 Madrid, Spain, Email: pablo.mauleonuam.es, ramon.gomezuam.es, juancarlos.carreterouam.es

J. Corpas, P. Mauleón, R. G. Arrayás, J. C. Carretero, Org. Lett., 2020, 22, 6473-6478.

DOI: 10.1021/acs.orglett.0c02281


Abstract

The combination of palladium catalysis and iridium photocatalysis enables a general catalytic anti-hydroarylation of electron-deficient internal alkynes with a broad range of arylboronic acids. The reaction of ortho-substituted boronic acids provides pharmaceutically relevant heterocyclic cores via a cascade process.


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Key Words

arylation, coumarins, quinolones, photochemistry


ID: J54-Y2020