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Rh-Catalyzed C–C/C–N bond formation via C–H activation: synthesis of 2H-indazol-2-yl-benzo[a]carbazoles

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Abstract

Rh-Catalyzed tandem site-selective C–H activation and ring opening/cyclization of 7-azabenzonorbornadienes with aryl-2H-indazoles is developed to furnish indazolyl-benzocarbazoles. The mechanistic studies suggest that the second C–H activation is the product-determining step. The use of an air stable cationic Rh-catalyst and site-selectivity, and substrate scope are the important practical features.

Graphical abstract: Rh-Catalyzed C–C/C–N bond formation via C–H activation: synthesis of 2H-indazol-2-yl-benzo[a]carbazoles

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Publication details

The article was received on 10 Sep 2019, accepted on 13 Oct 2019 and first published on 14 Oct 2019


Article type: Research Article
DOI: 10.1039/C9QO01120J
Org. Chem. Front., 2019, Advance Article

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    Rh-Catalyzed C–C/C–N bond formation via C–H activation: synthesis of 2H-indazol-2-yl-benzo[a]carbazoles

    S. Vivek Kumar, S. Banerjee and T. Punniyamurthy, Org. Chem. Front., 2019, Advance Article , DOI: 10.1039/C9QO01120J

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