Xie Chuan
2005
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Journal
Chinese Journal of Synthetic Chemistry
Abstract
p-(Dimethylamino)-benzoic acid was synthesized from p-(dimethylamino)-benzaldehyde using Ag 2O as a catalyst and air as a oxidant. The structure was confirmed by UV, IR and MS. The optimal operation conditions were determined through orthogonal experiment: p-(dimethylamino)-benzaldehyde 3 g(20 mmol), Ag 2O was 10%[mass of p-(dimethylamino)-benzaldehyde] , KOH was 4.5 g(concentration 3%), the reaction temperature was 60 ℃ and the reaction time was 24 h, the yield was 75.8%.