期刊
TETRAHEDRON LETTERS
卷 52, 期 27, 页码 3485-3488出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.04.118
关键词
Polyethylene glycol; Alkynes; Copper; Oxidation; Green chemistry
资金
- National Natural Science Foundation of China [20672054, 20872073]
- Committee of Science and Technology of Tianjin
Polyethylene glycol was shown to be an environmentally benign reaction medium for the copper(II) salt catalyzed Glaser coupling reaction of terminal alkynes. In particular, oxygen as the sole oxidant worked very well for arylacetylenes even in short reaction time. The product was easily separated by extraction and the catalytic system could be reused four times without significant loss of reactivity. (C) 2011 Elsevier Ltd. All rights reserved.
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