Copper/TEMPO-Promoted Denitrogenation/Oxidation Reaction for Synthesis of Primary α-Ketoamides Using α-Azido Ketones
An-Jing Wang, Chun-Yan She, Yu-Die Zhang, Li-Han Zhao, Wen-Ming Shu* and Wei-Chu Yu*
*College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou 434023, P. R. China,
Email: shuwm
yangtzeu.edu.cn, yuweichu126.com
A.-J. Wang, C.-Y. She, Y.-D. Zhang, L.-H. Zhao, W.-M. Shu, W.-C. Yu, J. Org. Chem., 2022, 87, 16099-16105.
DOI: 10.1021/acs.joc.2c01814
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Abstract
A copper(II)-promoted denitrogenation/oxidation reaction of α-azido ketones and TEMPO as an oxidant provides primary α-ketoamides. α-Azido ketones were denitrogenated in situ to form an imino ketone intermediate, which underwent a radical addition process and radical migration to form α-ketoamides.
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proposed mechanism
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Key Words
ID: J42-Y2022
