Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 13, Issue 17, Pages 2511-2515Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201800500
Keywords
2-alkynylnitroarenes; copper; cycloisomerization; indolin-3-ones; radical reaction
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Funding
- Recruitment Program of Global Experts (1000 Talents Plan)
- Natural Science Foundation of Fujian Province [2016J01064]
- Fujian Hundred Talents Plan
- Program of Innovative Research Team of Huaqiao University [Z14X0047]
- Huaqiao University
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A direct strategy for intramolecular transfer oxygenation of alkynes and cycloisomerization of 2-nitroalkynes to synthesize a wide range of C2-quaternary indolin-3-ones was developed by a copper/diboron system. The desired allylation, benzylation and propargylation products were obtained in moderate to excellent yields with good functional group tolerance. The mechanism study indicated that this protocol involved a radical process.
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