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Citation: YI Qing-Feng, YU Zhan-Liang, FAN Min, JIANG Qing-Lai, LIU Xiao-Ping, ZHOU Xiu-Lin. Electro-oxidation of o-Nitrotoluene to o-Nitrobenzaldehyde by V⁵⁺[J]. Chinese Journal of Applied Chemistry, ;2004, 21(7): 692-695. shu

Electro-oxidation of o-Nitrotoluene to o-Nitrobenzaldehyde by V⁵⁺

1.
a Department of Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201;
2.
b Speciality of Environmental Engineering, Hunan University of Science and Technology, Xiangtan 411201

Corresponding author: YI Qing-Feng,
Received Date: 19 September 2003
Available Online: 2 February 2004
Fund Project: 湖南省自然科学基金(03JJY6004) (03JJY6004)湖南省教育厅青年基金(03B043)资助 (03B043)

o-Nitrobenzaldehyde was prepared by oxidation of o-nitrotoluene by ammonium metavanadate in sulfuric acid solution.The maximum yield of o-nitrobenzaldehyde was 44.6% under the conditions:H₂SO₄10 mol/L,mole ratio of ammonium metavanadate to o-Nitrobenzalde 1:11,reaction temperature 80℃,reaction time 6 h,in the presence of cetyltrimethylammonium bromide:1.3%(mass fraction).The used aqueous solution could be separated and oxidized on graphite electrode for regeneration of V⁵⁺ ion at 60℃ and anodic current density 1.0×10^-3 A/cm².
- o-nitrobenzaldehyde,
- ammonium metavanadate,
- o-Nitrobenzalde,
- phase transfer catalyst
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Electro-oxidation of o-Nitrotoluene to o-Nitrobenzaldehyde by V⁵⁺