Investigation of Catalytic Property of Macroporous Silica-supported Manganese Porphyrin

Acta Chimica Sinica ›› 2002, Vol. 60 ›› Issue (7): 1162-1166. Previous Articles Next Articles

Original Articles

扩孔硅胶担载锰卟啉配合物的催化性能研究

李臻;夏春谷

中国科学院兰州化学物理研究所,兰州(730000)

发布日期:2002-07-15

Investigation of Catalytic Property of Macroporous Silica-supported Manganese Porphyrin

Li Zhen;Xia Chungu

State Key Laboratory of Oxo Synthesis & Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou(730000)

Published:2002-07-15

Abstract

A supported Mn-porphyrin catalyst has been prepared by adsorption of the cationic manganese porphyrin MnTMPyP on macroporous silica. The catalyst was characterized by comparison of XPS and DR-UV-vis with that of the same unsupported complexes. The catalytic property for epoxidation of olefins has been investigated under two different reaction manners. The results indicate that ultrasonic irradiation is beneficial for increase of epoxide yield. The influence of axial ligands on epoxidation was also studied. Recycling of MnTMPyP/SG showed a decrease in its activity. But epoxide selectivity was maintained at 100% from the third to the fifth recycling.

Key words: SILICA GEL, PORPHYRIN, MANGANESE COMPLEX, EPOXIDATION REACTION, XRD, UV, CATALYTIC REACTION

CLC Number:

O643

Cite this article

Li Zhen;Xia Chungu. Investigation of Catalytic Property of Macroporous Silica-supported Manganese Porphyrin[J]. Acta Chimica Sinica, 2002, 60(7): 1162-1166.

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扩孔硅胶担载锰卟啉配合物的催化性能研究

Investigation of Catalytic Property of Macroporous Silica-supported Manganese Porphyrin

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