期刊
ORGANIC CHEMISTRY FRONTIERS
卷 4, 期 6, 页码 1079-1083出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7qo00075h
关键词
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资金
- National Natural Science Foundation of China [21372046, 21532001]
Facile assembly of 3-((arylsulfonyl)methyl) indolin-2-ones via insertion of sulfur dioxide starting from anilines, N-arylacrylamides and DABCO center dot(SO2)(2) is developed. This one-pot reaction proceeds efficiently in dichloroethane, leading to sulfonated oxindoles in good yields. Anilines serve as the aryl source, and the in situ generated sulfonyl radicals from sulfur dioxide as the key intermediates are trapped by N-arylacrylamides to provide the corresponding products. Additionally, a broad reaction scope is observed under mild conditions.
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