Rh(III)‐Catalyzed Cyclization of 2‐Aryl‐1H‐benzoimidazoles with Maleimides via C‐H Activation

Rh(III)‐Catalyzed Cyclization of 2‐Aryl‐1H‐benzoimidazoles with Maleimides via C‐H Activation

A rhodium‐catalyzed formal [4+2]‐cyclization of 2‐aryl‐1H‐benzo[d]imidazoles with maleimides through C−H bond activation process is described here. Such an approach enables selectively construct a series of functionalized cis‐dihydro‐benzimidazo[2,1‐a]isoquinolines. The reaction features a broad sub...

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Veröffentlicht in:European journal of organic chemistry 2021-07, Vol.2021 (25), p.3552-3558
Hauptverfasser: Deng, Chen, Li, Changchang, Yao, Jinzhong, Jin, Quanli, Miao, Maozhong, Zhou, Hongwei
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Aromatic compounds
Hydrogen bonds
Imidazole
Rhodium
Substrates
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container_issue 25
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container_title European journal of organic chemistry
container_volume 2021
creator Deng, Chen
Li, Changchang
Yao, Jinzhong
Jin, Quanli
Miao, Maozhong
Zhou, Hongwei
description A rhodium‐catalyzed formal [4+2]‐cyclization of 2‐aryl‐1H‐benzo[d]imidazoles with maleimides through C−H bond activation process is described here. Such an approach enables selectively construct a series of functionalized cis‐dihydro‐benzimidazo[2,1‐a]isoquinolines. The reaction features a broad substrate scope with respect to both coupling components, and the desired products were obtained with up to 85 % yields.
doi_str_mv 10.1002/ejoc.202100612
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subjects Aromatic compounds
Hydrogen bonds
Imidazole
Rhodium
Substrates
title Rh(III)‐Catalyzed Cyclization of 2‐Aryl‐1H‐benzoimidazoles with Maleimides via C‐H Activation
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