Synthesis of Polysubstituted Aromatics via the Pd(II)-Initiated Borono-Catellani Reaction.

Org Lett

Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China.

Published: March 2025


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Article Abstract

Herein, we report a novel palladium(II)-initiated borono-Catellani reaction that utilizes widely accessible aryl boronic acids that serve as both the reaction-initiating and -terminating substrates for the first time. The borono-Catellani reaction was facilitated by cooperative catalysis between Pd(OAc) and NBE, with air serving as the oxidizing agent, opening new venues for developing novel Catellani-type reactions. Importantly, this method is compatible with a wide range of substrates, including naphthaleneboronic acid, phenylboric acid derivatives, alkyl iodides, and aryl iodides, under these environmentally friendly and mild reaction conditions, thereby demonstrating versatile functional group compatibility for the synthesis of valuable polysubstituted aromatics.

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http://dx.doi.org/10.1021/acs.orglett.5c00503DOI Listing

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