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4895601 
Journal Article 
Preparation of Nicotinic Acid from Oxidation of 3-Picoline with Oxygen Under Catalysis of T(o-Cl)PPMn 
Bai Jin-quan; Wang Qi-chang; Hu Yun; Guo Fen-yan 
2008 
Yes 
Chemical Research in Chinese Universities
ISSN: 1005-9040 
24 
6 
743-746 
WOS:000261672700019 
The oxidation of 3-picoline to nicotinic acid took place efficiently in an ethanol solution with 0, as the oxidant under the catalysis of T(o-Cl)PPMn at 40-150 degrees C and 0.5-3.0 MPa oxygen pressure. The influences of temperature oxygen pressure, reaction time, concentration of 3-picoline, concentration of sodium hydroxide, and concentration of T(o-Cl)PPMn catalyst, etc. on the production of nicotinic acid were investigated. The results show that T(o-Cl)PPMn presented excellent catalytic activity in the oxidation of 3-picoline to nicotinic acid and the yield of nicotinic acid varied greatly with the reaction temperature, oxygen pressure, T(o-Cl)PPMn concentration, etc. 
Nicotinic acid; 3-Picoline; Metalloporphyrin; Oxidation