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Copper‐Catalyzed Dehydrogenative Cross‐Coupling Reactions of N‐para‐ Tolylamides through Successive CH Activation: Synthesis of 4 H ‐3,1‐Benzoxazines
Author(s) -
Xiong Tao,
Li Yan,
Bi Xihe,
Lv Yunhe,
Zhang Qian
Publication year - 2011
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201101391
A novel annulation reaction of readily available tolylamides was catalyzed by Cu(OTf) 2 in the presence of Selectfluor and water through successive intermolecular CH activated dehydrogenative cross‐coupling reactions of benzylic methyl C(sp 3 )H and aromatic C(sp 2 )H bonds, and subsequent intramolecular CO bond formation (see scheme).
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