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Citation: WANG Yan-Hong, MA Xiu-Ling, CHEN Ri-Yao, ZHENG Xi, CHEN Zhen. Electro-oxidized Preparation of 3-Methyl-2-formyl-amino Pyridine by Bipolar Membrane[J]. Acta Physico-Chimica Sinica, ;2008, 24(06): 1041-1046. doi: 10.3866/PKU.WHXB20080622 shu

Electro-oxidized Preparation of 3-Methyl-2-formyl-amino Pyridine by Bipolar Membrane

1.
College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, P. R. China

Received Date: 13 December 2007
Available Online: 24 March 2008

SA-CS/PVA bipolar membrane was prepared by sodium alginate (SA) and chitosan (CS), which were
modified by glutaraldehyde and Fe3+ as linking reagents, respectively, then blended with PVA. SA-CS/PVA membrane was characterized by IR, I-V curves, ion exchange capacity, changes of pH in anode and cathode chambers, and SEM. IR and contact angle analysis results showed that the hydrophilic property of CS improved after modified by glutaraldehyde and PVA. Using SA-CS/PVA and Nafion membrane in electroxidation to prepare 3-methyl-2-formylaminopyridine. The experiment results showed that the yield of 3-methyl-2-formylaminopyridine prepared using SA-CS/PVAmembrane was 49.8%, which was higher than that using Nafion membrane. To compare with the traditional method, the condition of electroxidation was moderate and the pollution to environment was reduced.
- Bipolar membrane; Sodiumalginate; Chitosan; Poly (vinyl alcohol); 3-Methyl-2-formylaminopyridine
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