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A novel catalyst for clean production of diphenols—ferric trisacetylacetonate/MCM-41

✍ Scribed by Chibiao Liu; Xingkai Ye; Yue Wu

Book ID: 101262473
Publisher: Wiley (John Wiley & Sons)
Year: 1997
Tongue: English
Weight: 319 KB
Volume: 70
Category: Article
ISSN: 0268-2575
DOI: 10.1002/(sici)1097-4660(199712)70:4<384::aid-jctb787>3.0.co;2-h

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✦ Synopsis

Ferric trisacetylacetonate has been deposited within the zeolite MCM-41 and the product characterized by XRD and IR. In water at pH 7 it catalyzes the oxidation of phenol by giving 58% conversion in 1 h at H 2 O 2 , 50¡C : products are catechol (66%), hydroquinone (27%) and benzoquinone (7%). Other oxidants and solvents are much less e †ective. UV-VIS spectra suggest a radical substitution mechanism, and a pollution-free process for phenol hydroxylation is now possible.

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