Journal
ORGANIC LETTERS
Volume 16, Issue 23, Pages 6176-6179Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol5030794
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Funding
- NSFC/China [21172069, 21372072, 21421004, 21190033]
- NCET [NCET-13-0798]
- Shanghai Committee of Sci. Tech. [13NM1400802]
- Fundamental Research Funds for the Central Universities
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Rhodium-catalyzed oxidative annulation of hydrazines with alkynes has been accomplished using 1,3-dinitrobenzene as an oxidant. A variety of hydrazines with alkynes were converted to 1-aminoindole derivatives in good to high yields. Mechanistic investigations support the idea that 1,3-dinitrobenzene serves as the oxidant during C-H activation. This is, to our knowledge, the first report of a nitrobenzene compound used as the oxidant in transition-metal-catalyzed C-H activation.
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