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Use of carboxylated polyethylene glycol as promoter for platinum-catalyzed hydrosilylation of alkenes

✍ Scribed by Ying Bai; Jiajian Peng; Jiayun Li; Guoqiao Lai

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 133 KB
Volume: 25
Category: Article
ISSN: 0268-2605
DOI: 10.1002/aoc.1776

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✦ Synopsis

Several carboxylated polyethylene glycols as promoters were applied in the platinum-catalyzed hydrosilylation of alkenes, and polyethylene glycol maleic acid monoester as a promoter for hydrosilylation was investigated. It was found that an improvement of the selectivity was achieved in the presence of carboxylated polyethylene glycol, and the β-adduct as major product was obtained. Additionally, the effect of alkenes and silanes employed on the selectivity was investigated; better selectivity could be achieved when (EtO) 3 SiH was used as the hydride than ClMe 2 SiH.

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