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Environmentally Benign Oxidation of Alkylphenols to p-Benzoquinones: A Comparative Study of Various Ti-Containing Catalysts |
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| Authors: | Kholdeeva,Oxana A.,Ivanchikova,Irina D.,Maksimchuk,Nataliya V.,Mel&# gunov,Maxim S.,Chang,Jong-San,Guidotti, Matteo,Shutilov, Alexei A.,Zaikovskii,Vladimir I. |
| Affiliation: | 1.Boreskov Institute of Catalysis, pr. Lavrentieva 5, Novosibirsk, 630090, Russia ;2.Novosibirsk State University, Pirogova Str. 2, Novosibirsk, 630090, Russia ;3.Korea Research Institute of Chemical Technology (KRICT), Gajeongro 141, Yuseong, P.O. Box 107, Daejeon, 305-600, Republic of Korea ;4.Department of Chemistry, Sungkyunkwan University, Suwon, 440-476, Republic of Korea ;5.CNR-Istituto di Scienze e Tecnologie Molecolari and Dip. Chimica IMA “L. Malatesta”, via G. Venezian 21, 20133, Milan, Italy ; |
| Abstract: | Catalytic properties of Ti-containing porous solids were compared in the oxidation of 2,3,6-trimethylphenol (TMP) with H2O2 to produce 2,3,5-trimethyl-1,4-benzoquinone (TMBQ, vitamin E key intermediate). Mesoporous titanium–silicates with di(oligo)nuclear Ti centers, metal–organic framework MIL-125 and amorphous TiO2 demonstrated 100 % selectivity toward TMBQ. Titanium–silicates prepared by evaporation-induced self-assembly revealed superior performance in terms of product yield and catalyst reusability. |
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