Journal
ORGANIC CHEMISTRY FRONTIERS
Volume 4, Issue 6, Pages 1145-1148Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7qo00004a
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Funding
- National Natural Science Foundation of China (NSFC) [21102005, 21403006]
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We have developed meta-selective C-Ar-H bond sulfonation of azoarenes with aryl sulfonyl chloride in the presence of the [Ru(p-cymene)Cl-2](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 C-Ar-Ru sigma-bond.
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