期刊
SYNTHETIC COMMUNICATIONS
卷 47, 期 8, 页码 771-778出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397911.2017.1284239
关键词
Arenediazonium tetrafluoroborate; copper chloride; N-arylation; NH-containing heterocycle
资金
- Shanghai Municipal Natural Science Foundation [15ZR1401400]
A practical copper-catalyzed N-arylation of NH-containing heterocycles with arenediazonium tetrafluoroborates has been developed using CuCl as catalyst and K2CO3 as additive under ligand-free conditions. This reaction system has wide substrate scope including imides, 1H-pyrazole, 1H-tetrazoles, 1,2-benzisothiazol-3(2H)-one, and related sulfonamides and gives moderate to excellent yields (up to 95%) of the desired products. This strategy is very general, simple, environmentally friendly, and tolerant of oxygen.
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