期刊
TETRAHEDRON
卷 69, 期 32, 页码 6627-6633出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2013.05.127
关键词
Copper catalysis; Electrophilic amination; C-N bond formation; Benzoxazole; O-Benzoyl hydroxylamine
资金
- Thailand Research Fund (TRF) [MRG5580039]
- Faculty of Science, Mahidol University
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Commission on Higher Education, Ministry of Education
An efficient copper-catalyzed electrophilic amination of benzoxazoles with O-benzoyl hydroxylamines is described, employing CuCl catalyst, PPh3 ligand, and (LiOBu)-Bu-t base. This simple air-stable copper catalysis enables the preparation of various 2-aminobenzoxazole derivatives at room temperature in good yields. (C) 2013 Elsevier Ltd. All rights reserved.
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