CuI-catalyzed synthesis of Benzoimidazo[1,4]diazepinoindoles/indazoles via double Ullmann cross-coupling reaction

Li, Zhuo-Huan; Chen, Huadong; Liu, Jianquan; Wang, Xiang-Shan

doi:10.1016/j.tet.2022.132835

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2024

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Cited by 3 publications

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“…Despite these developments, affording (benzo)imidazophenanthridine derivatives in a controlled and regioselective manner remains a notable synthetic challenge. Considering our long-standing interest in the development of metal-catalyzed annulation reactions, 9 we sought to provide a straightforward and modular synthetic approach to substituted (benzo)imidazophenanthridines from simple starting materials and under mild reaction conditions.…”

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confidence: 99%

Tandem Palladium/Copper-Catalyzed Decarboxylative Approach to Benzoimidazo- and Imidazophenanthridine Skeletons

et al. 2022

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A protocol for a tandem Pd/Cu-catalyzed intermolecular cross-coupling cascade between o-bromobenzoic acids and 2-(2-bromoaryl)-1H-benzo[d]imidazoles or the corresponding imidazoles is presented. The protocol provides conceptually novel and controlled access to synthetically useful N-fused (benzo)imidazophenanthridine scaffolds with high efficiency, a broad substrate scope, and excellent functional group compatibility.

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confidence: 99%