Multi-wall carbon nanotube supported manganese(III) porphyrin: an efficient and reusable catalyst for oxidation of 2-imidazolines with sodium periodate
The oxidation of 2-substituted imidazolines with sodium periodate catalyzed by tetrakis(p-aminophenyl)-porphyrinatomanganese(III) chloride, [Mn(TNH2PP)Cl], supported on functionalized multi-wall carbon nanotubes is reported. A wide variety of 2-imidazolines were efficiently converted to their corresponding imidazoles by this catalytic system. When the same reaction was subjected to ultrasonic irradiation, the reaction times were reduced significantly and the product yields were increased. This catalyst could be reused several times without significant loss of activity. The effects of reaction parameters such catalyst amount, choice of solvent, and the effects of ultrasonic irradiation on the catalytic activity have been investigated.
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Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Peoples R China
Guo, Yafei
Lin, Jin
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Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Peoples R China
Lin, Jin
Li, Changhai
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Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Peoples R China
Li, Changhai
Lu, Shouxiang
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Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Peoples R China
Lu, Shouxiang
Zhao, Chuanwen
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Nanjing Normal Univ, Sch Energy & Mech Engn, Jiangsu Prov Key Lab Mat Cycling & Pollut Control, Nanjing 210042, Jiangsu, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Peoples R China