Catalysis Communications (2019)
Update date:2022-07-29
Topics:
Jaiswal, Yogesh
Kumar, Amit
Br?nsted acid-promoted palladium(II)-catalyzed regioselective installation of halogens (Br, Cl, and I) to the aromatic ring of benzamide derivatives has been achieved using primary amides. A wide variety of benzamides were compatible under established conditions to afford the halogenated products without installing any external auxiliary. Mild reaction conditions, use of primary amide as a directing group, external additive-free conditions, and gram-scale reaction are some appealing features of this protocol. Detailed experimental results revealed that Br?nsted acid plays a critical role in this transformation.
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