Preparation, Characterization of Cu-MCM-41 and Its Catalysis for Hydroxylation of Aromatic Compounds

Abstract

Abstract: Pure silica MCM-41 with surface grafted Cu²⁺ ions(donated as CuMCM-41) was synthesized via a novel co-assemble route; XRD, ESRand ion-exchange studies revealed that the copper was located on the surface of the pure silica MCM-41 and coordinated with bridged oxygen in the framework. In addition, we also studied its catalysis behavior for hydroxylation of phenol and naphthol with hydrogen peroxide as the oxygen donor. The experimental results show that Cu-MCM-41 possesses an excellent catalytic activity compared with other catalysts Cu-AlMCM-41 and CuO-MCM-41.

Key words: Cu-MCM-41, Mesoporous molecular sieves, Phenol hydroxylation, Naphthol hydroxylation, Hydrogen peroxide

CLC Number:

O643.1

TrendMD:

SUN Jian-Min, MENG Xiang-Ju, WANG Run-Wei, LIN Wen-Yong, LIN Kai-Feng, PANG Wen-Qin, JIANG Da-Zhen, XU Ru-Ren, XIAO Feng-Shou. Preparation, Characterization of Cu-MCM-41 and Its Catalysis for Hydroxylation of Aromatic Compounds[J]. Chem. J. Chinese Universities, 2000, 21(9): 1451.

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Preparation, Characterization of Cu-MCM-41 and Its Catalysis for Hydroxylation of Aromatic Compounds

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