期刊
TETRAHEDRON
卷 64, 期 20, 页码 4637-4643出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2008.02.098
关键词
organic silica; heterogeneous catalysis; Pd-NHC; Suzuki reaction; Heck reaction; microwave irradiation
The first Pd-N-heterocyclic carbene (NHC) complex in the form of organic silica was prepared using sol-gel method and its application in Heck and Suzuki reactions was demonstrated. These C-C coupling reactions proceeded efficiently under the influence of microwave irradiation, with excellent yield, without any change in catalytic activity for at least five reaction cycles, with negligible Pd concentration in the end product. (C) 2008 Elsevier Ltd. All rights reserved.
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