期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 360, 期 6, 页码 1138-1150出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201701417
关键词
NHC-Palladium; bisthiolation; terminal alkynes; (Z)-1; 2-bis(arylthio)alkene derivatives
资金
- National Key Research and Development Program of China [2016YFA0602900]
- National Natural Science Foundation of China [21502055, 21490572, 21420102003]
- Fundamental Research Funds for the Central Universities [2015ZM150, 2015ZY001]
An efficient and novel NHC(N-heterocyclic carbene)-palladium-catalyzed three-component cascade bisthiolation of terminal alkynes, K2S (potassium sulfide) and diaryliodonium salts for the assembly of functionalized (Z)-1,2-bis(arylthio)alkene derivatives has been accomplished for the first time. This unique observation features a broad substrate scope, excellent functional-group tolerance, and high regioselectivity. Especially, an arylthiolate anion from diaryliodonium salts and potassium sulfide was proposed as the key intermediate in the catalytic cycle.
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