期刊
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
卷 208, 期 1-2, 页码 17-20出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S1381-1169(03)00534-X
关键词
supported palladium catalyst; arsenide palladium complex; aryl halide; Heck carbonylation
A silica-supported poly-gamma-diphenylarsinopropylsiloxane palladium complex has been prepared from gamma-chloropropyltriethoxysilane via immobilization on fumed silica, followed by reacting with potassium diphenylarsenide in THF and then the reaction with palladium chloride. It is an efficient catalyst for Heck carbonylation of aryl halides under atmospheric pressure of carbon monoxide. This polymeric palladium catalyst can be recovered and reused. (C) 2003 Elsevier B.V. All rights reserved.
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