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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 44, 2014 - Issue 14
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Original Articles

Palladium-Catalyzed Cross-Coupling Reactions of Potassium N-Methyltrifluoroborate Isoindolin-1-one with Aryl and Heteroaryl Chlorides

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Pages 2012-2020 | Received 29 Dec 2013, Published online: 09 Jun 2014
 

Abstract

Potassium N-methyltrifluoroborate isoindolin-1-one was synthesized and used in Suzuki–Miyaura palladium-catalyzed cross-coupling reactions with aryl and heteroaryl chlorides to prepare 29 examples of substituted N-benzyl isoindolin-1-ones. The new approach benefits from mild reaction conditions that tolerate a variety of functional groups. In addition, because of the large number of commercially available aryl and heteroaryl chlorides that can serve as coupling partners, the approach readily provides access to libraries of substituted N-benzyl isoindolin-1-ones.

GRAPHICAL ABSTRACT

Notes

a Reaction conditions: 1.0 equiv. of aryl chloride; 1.2 equiv. of trifluoroborate 6; isolated yields after silica gel column chromatography or preparative TLC.

a Reaction conditions: 1.0 equiv. of heteroaryl chloride; 1.2 equiv. of trifluoroborate 6; isolated yields after silica gel column chromatography or preparative TLC.

a Reaction conditions: 1.0 equiv. of aryl chloride; 1.2 equiv. of trifluoroborate 6; isolated yields after silica gel column chromatography or preparative TLC.

Color versions of one or more of the figures in the article can be found online at www.tandfonline.com/lsyc.

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