期刊
TETRAHEDRON LETTERS
卷 55, 期 30, 页码 4185-4188出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2014.06.035
关键词
O-arylation; Chan-Lam coupling; Polychlorinated diphenyl ethers; Environmental pollutants; Kovats indices
资金
- ICPF CAS
An efficient synthesis of polychlorinated diphenyl ethers (PCDEs) using the Cu(OAc)(2)-catalyzed Chan-Lam coupling reaction is described. A library of all possible mono- and dichlorinated diphenyl ether congeners was prepared and characterized using MS, H-1, and C-13 NMR spectroscopy, and Kovats retention indices. Our approach, using the optimized reaction conditions (i.e., reaction temperature, oxidizing atmosphere and base), significantly improves and simplifies the process compared to previously reported syntheses. (C) 2014 Elsevier Ltd. All rights reserved.
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