期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 24, 期 17, 页码 4423-4427出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201705866
关键词
C-H sulfonylation; copper; heterocycles; sulfur; synthetic methods
资金
- Natural Science Foundation of Shandong Province for Outstanding Young Scholars [ZR2016JL012, ZR2015JL004]
- National Natural Science Foundation of China [21302110, 21302109, 21402103, 21675099]
- Taishan Scholar Foundation of Shandong Province
- China Postdoctoral Science Foundation [150030]
- Scientic Research Foundation of Qufu Normal University [BSQD 2012021]
The first example of direct fixation of sulfur dioxide between heteroaryls and aryl halides has been developed via copper-catalyzed regioselective cleavage of C-X and C-H bonds under base-free and ligand-free conditions by using DABSO (1,4-diazabicyclo[2.2.2]octane bis(sulfur dioxide)) as a solid and bench-stable sulfur dioxide surrogate. This mild protocol results in double C-S bond-forming reactions from simple precursors in the absence of prefunctionalized organometallic reagents, arenediazonium salts, and iodonium salts which extends the still limited number of sulfur dioxide fixation strategies.
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