期刊
TETRAHEDRON
卷 68, 期 49, 页码 10201-10208出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2012.09.090
关键词
Multi-catalyst; Oxidation; Cyclization; 5-Aminobenzofurans; Alkene acetals
资金
- National Basic Research Program of China [2009CB930200]
- National Key Technology RD Program [2011BAD23B01]
- Beijing Natural Science Foundation [7112008]
- Beijing City Education Committee [KM201010005009]
The reaction between p-aminophenols 1 and various ketene acetals 2 in the presence of hypervalent iodine is described. The results show that 2- and 3-substituted 5-sulfonamidobenzofurans 3 are obtained in moderate to good yields from p-aminophenols and ketene acetals. (C) 2012 Elsevier Ltd. All rights reserved.
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