Synthesis of Functionalized 1H-Isochromene Derivatives via a Au-Catalyzed Domino Cycloisomerization/Reduction Approach

Eder Tomás-Mendivil, Jérôme Starck, Jean-Claude Ortuno* and Véronique Michelet*

*Chimie ParisTech, PSL Research University, CNRS, Institut de Recherche de Chimie Paris (IRCP), F-75005 Paris, France, Email: jean-claude.ortunofr.netgrs.com, veronique.micheletchimie-paristech.fr

E. Tomás-Mendivil, J. Starck, J.-C. Ortuno, V. Michelet, Org. Lett., 2015, 17, 6126-6129.

DOI: 10.1021/acs.orglett.5b03146

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Abstract

A versatile and efficient access to 1H-isochromenes via a domino cycloisomerization/reduction reaction process starting from a wide range of functionalized ortho-alkynylbenzaldehydes is catalyzed by dichloro(2-pyridinecarboxylato)gold ([AuCl₂(Pic)]).

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Key Words

Isochromenes, Hantzsch Ester, Gold

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ID: J54-Y2015