期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 80, 期 7, 页码 3504-3511出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.5b00130
关键词
-
资金
- National Natural Science Foundation of China [21321061, 21072134, J1103315/J0104]
One-step, catalytic synthesis of N-arylsulfonamides via the construction of N-S bonds from the direct coupling of sodium arylsulfinates with nitroarenes was realized in the presence of FeCl2 and NaHSO3 under mild conditions. In this process, stable and readily available nitroarenes were used as nitrogen sources, and NaHSO3 acted as a reductant to provide N-arylsulfonamides in good to excellent yields. A broad range of functional groups were very well-tolerated in this reaction system. In addition, mechanistic studies indicated that the N-S bond might be generated through direct coupling of nitroarene with sodium arylsulfinate prior to the reduction of nitroarenes by NaHSO3. Accordingly, a reaction mechanism involving N-aryl-N-arenesulfonylhydroxylamine as an intermediate was proposed.
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