Journal
NEW JOURNAL OF CHEMISTRY
Volume 43, Issue 23, Pages 9255-9259Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9nj01728c
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Funding
- National Natural Science Foundation of China [21462042, 21502162, 21262036, 21762041, 21861036]
- China Postdoctoral Science Foundation [2017-015, 2017M613256]
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An efficient and regio-divergent method for both the C2 arylation and C3 diazenylation of C2,C3-unsubstituted indoles with aryltriazenes was developed. At room temperature, both reactions were carried out with HPF6/ionic liquids (ILs) as the promoter. The C2 arylation and C3 diazenylation activated by HPF6/ILs show remarkable reactivity, which results in corresponding products with yields of up to 99%. Notably, the practicality of the protocol was further demonstrated via gram-scale operations, late-stage modification and the reusability of the ILs.
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