Volume 130, Issue 44 pp. 14788-14792
Zuschrift

Regiospecific ortho-C−H Allylation of Benzoic Acids

A. Stefania Trita

A. Stefania Trita

Fakultät Chemie und Biochemie, Ruhr Universität Bochum, Universitätsstr. 150, 44801 Bochum, Germany

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Agostino Biafora

Agostino Biafora

FB Chemie-Organische Chemie, TU Kaiserslautern, Erwin-Schrödinger-Str. Geb. 54, 67663 Kaiserslautern, Germany

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Dr. Martin Pichette Drapeau

Dr. Martin Pichette Drapeau

Fakultät Chemie und Biochemie, Ruhr Universität Bochum, Universitätsstr. 150, 44801 Bochum, Germany

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Philip Weber

Philip Weber

Fakultät Chemie und Biochemie, Ruhr Universität Bochum, Universitätsstr. 150, 44801 Bochum, Germany

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Prof. Dr. Lukas J. Gooßen

Corresponding Author

Prof. Dr. Lukas J. Gooßen

Fakultät Chemie und Biochemie, Ruhr Universität Bochum, Universitätsstr. 150, 44801 Bochum, Germany

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First published: 07 February 2018
Citations: 20

Abstract

A carboxylate-directed ortho-C−H functionalization has been developed and it allows the regiospecific introduction of allyl residues to benzoic acids. In the presence of a [Ru(p-cymene)Cl2]2 and K3PO4, benzoic acids react with allyl acetates at only 50 °C to give the corresponding ortho-allylbenzoic acids. The protocol is generally applicable to both electron-rich and electron-poor benzoic acids in combination with linear and branched allyl acetates. The products can be further functionalized in situ, for example, by double-bond migration, lactonization, or decarboxylation.

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