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Org Lett. 2014 Feb 21;16(4):1104-7. doi: 10.1021/ol500166d. Epub 2014 Feb 6.

Copper-mediated direct aryloxylation of benzamides assisted by an N,O-bidentate directing group.

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  • 1The College of Chemistry and Molecular Engineering, Henan Key Laboratory of Chemical Biology and Organic Chemistry and ‡School of Chemical Engineering and Energy, Zhengzhou University , Zhengzhou 450001, People's Republic of China.

Abstract

Copper-mediated selective mono- or diaryloxylation of benzamides has been achieved by using 2-aminopyridine 1-oxide as a new and removable N,O-bidentate directing group. The reaction system shows a broad substrate scope and provides a straightforward way for the synthesis of mono- and diaryloxylated benzoic acids.

PMID:
24502415
[PubMed]
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