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Ruthenium-catalyzed meta-selective C–H sulfonation of azoarenes with arylsulfonyl chlorides

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Abstract

We have developed meta-selective CAr–H bond sulfonation of azoarenes with aryl sulfonyl chloride in the presence of the [Ru(p-cymene)Cl2]2 catalyst. Further reduction of the desired product provided a meta-sulfonated aromatic amine. Preliminary mechanistic studies indicated that the meta-sulfonation of azoarenes might involve an electrophilic aromatic substitution (SEAr) directed by the CAr–Ru σ-bond.

Graphical abstract: Ruthenium-catalyzed meta-selective C–H sulfonation of azoarenes with arylsulfonyl chlorides

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Publication details

The article was received on 02 Jan 2017, accepted on 20 Feb 2017 and first published on 22 Feb 2017


Article type: Research Article
DOI: 10.1039/C7QO00004A
Citation: Org. Chem. Front., 2017, Advance Article
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    Ruthenium-catalyzed meta-selective C–H sulfonation of azoarenes with arylsulfonyl chlorides

    G. Li, X. Lv, K. Guo, Y. Wang, S. Yang, L. Yu, Y. Yu and J. Wang, Org. Chem. Front., 2017, Advance Article , DOI: 10.1039/C7QO00004A

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