Copper-Catalyzed Dehydrogenative Cross-Coupling Reactions of N-para-Tolylamides through Successive C-H Activation: Synthesis of 4H-3,1-Benzoxazines

被引:73
作者
Xiong, Tao [1 ]
Li, Yan [1 ]
Bi, Xihe [1 ]
Lv, Yunhe [1 ]
Zhang, Qian [1 ]
机构
[1] NE Normal Univ, Dept Chem, Changchun 130024, Peoples R China
关键词
benzoxazines; C-H activation; copper; cross-coupling; Selectfluor; BOND FORMATION; ORTHO-ARYLATION; FUNCTIONALIZATION; ARENES; SP(2); ACIDS; MOLECULES; OXIDANT; COMPLEX; O-2;
D O I
10.1002/anie.201101391
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A novel annulation reaction of readily available tolylamides was catalyzed by Cu(OTf)2 in the presence of Selectfluor and water through successive intermolecular C-H activated dehydrogenative cross-coupling reactions of benzylic methyl C(sp3)-H and aromatic C(sp2)-H bonds, and subsequent intramolecular C-O bond formation (see scheme). Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:7140 / 7143
页数:4
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