Kinetics and Mechanism of 2,3,6-Trimethylphenol Oxidation by Hydrogen Peroxide in the Presence of TiO2–SiO2 Aerogel Full article
Journal |
Kinetics and Catalysis
ISSN: 0023-1584 , E-ISSN: 1608-3210 |
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Output data | Year: 2003, Volume: 44, Number: 3, Pages: 347-352 Pages count : 6 DOI: 10.1023/A:1024442901917 | ||
Tags | TiO2; SiO2; Benzoquinone; Hydroperoxide; MeCN | ||
Authors |
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Affiliations |
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Funding (3)
1 | Civilian Research and Development Foundation | REC-008 |
2 | Russian Foundation for Basic Research | 01-03-32852 |
3 | Russian Foundation for Basic Research | 02-03-06352 |
Abstract:
The product and kinetics studies of 2,3,6-trimethylphenol (TMP) oxidation by 30% aqueous Н2О2 in the presence of a heterogeneous catalyst, TiO2–SiO2 aerogel, are performed in an MeCN medium. The main reaction products are 2,3,5-trimethyl-1,4-benzoquinone and 2,2",3,3",6,6"-hexamethyl-4,4"-biphenol. The reaction is first-order in Н2О2 and fractional order (1–0) in TMP. The reaction rate is proportional to the catalyst amount and depends on the water concentration in the reaction mixture in a complex manner. The results suggest the formation of an active intermediate on the titanium center. In this intermediate containing both a TMP molecule and the hydroperoxide group, inner-sphere one-electron oxidation of TMP occurs to give the phenoxyl radical.
Cite:
Trukhan N.N.
, Kholdeeva O.A.
Kinetics and Mechanism of 2,3,6-Trimethylphenol Oxidation by Hydrogen Peroxide in the Presence of TiO2–SiO2 Aerogel
Kinetics and Catalysis. 2003. V.44. N3. P.347-352. DOI: 10.1023/A:1024442901917 WOS Scopus РИНЦ
Kinetics and Mechanism of 2,3,6-Trimethylphenol Oxidation by Hydrogen Peroxide in the Presence of TiO2–SiO2 Aerogel
Kinetics and Catalysis. 2003. V.44. N3. P.347-352. DOI: 10.1023/A:1024442901917 WOS Scopus РИНЦ
ArticleLinkType.TRANSLATED_TO_ORIGINAL:
Трухан Н.Н.
, Холдеева О.А.
Кинетика и механизм реакции окисления 2,3,6-триметилфенола пероксидом водорода в присутствии аэрогеля TiO2-SiO2
Кинетика и катализ. 2003. Т.44. №3. С.378-383. РИНЦ
Кинетика и механизм реакции окисления 2,3,6-триметилфенола пероксидом водорода в присутствии аэрогеля TiO2-SiO2
Кинетика и катализ. 2003. Т.44. №3. С.378-383. РИНЦ
Dates:
Submitted: | Oct 9, 2002 |
Published print: | May 1, 2003 |
Identifiers:
Web of science | WOS:000183956000005 |
Scopus | 2-s2.0-0038153050 |
Elibrary | 13433555 |
Chemical Abstracts | 2003:480941 |
Chemical Abstracts (print) | 139:291874 |
OpenAlex | W66527492 |