Journal
HETEROCYCLES
Volume 92, Issue 10, Pages 1874-1881Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.3987/COM-16-13531
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Funding
- National Natural Science Foundation of China [31301712]
- Opening Funds of Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences
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An efficient ring-closure of 2-iodinated diaryl thioethers at the presence of palladium catalyst to form dibenzothiophene is described. After the best condition was set up as Pd-3(dba)(2) as the catalyst, anhydrous Cu(OAc)(2) as additive, PivONa center dot H2O as base, DMF as solvent, a series of dibenzothiophenes could be successfully obtained through this protocol in moderate to excellent yields.
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