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Silica-supported poly-γ-methylselenopropylsiloxane palladium complex: An efficient catalyst for Heck carbonylation of aryl halides

✍ Scribed by Cai Mingzhong; Zhou Jun; Zhao Hong; Song Caisheng

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
66 KB
Volume
50
Category
Article
ISSN
1381-5148

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✦ Synopsis

A silica-supported poly-g-methylselenopropylsiloxane palladium complex has been prepared from g-chloropropyltriethoxysilane via immobilization on fumed silica, followed by reacting with sodium methylselenolate 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.

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