期刊
TETRAHEDRON
卷 72, 期 23, 页码 3335-3343出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2016.04.063
关键词
Chan-Lam coupling; Supported copper catalyst; Diaryl sulfide; MCM-41; Heterogeneous catalysis
资金
- National Natural Science Foundation of China [21272044]
- Scientific Research Fund of Education Department of Jiangxi Province [KJLD13022]
The heterogeneous Chan-Lam coupling reaction between thiols and arylboronic acids was achieved in EtOH at room temperature in the presence of 5 mol % of MCM-41-immobilized 1,10-phenanthrolinecopper(II) complex [MCM-41-1,10-Phen-CuSO4] with n-Bu4NOH (40% aq) as base under O-2 atmosphere, yielding a variety of unsymmetrical diaryl sulfides in good to excellent yields under mild and green conditions. The new heterogeneous copper complex can easily be prepared by a simple procedure from commercially readily available and inexpensive reagents, and recovered by a simple filtration of the reaction solution and recycled for at least eight times without significant loss of catalytic activity. (c) 2016 Elsevier Ltd. All rights reserved.
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