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Citation: HAN Xiang-En, QU Qi-Chao, WU Yu-Bin, XU Yan-Liang, HAN Hui. Synthesis and Property of New Thiophene Schiff Base and Its Esterifying Product[J]. Chinese Journal of Applied Chemistry, ;2009, 26(8): 935-938. shu

Synthesis and Property of New Thiophene Schiff Base and Its Esterifying Product

1.
School of Chemical and Biological Engineering Lanzhou Jiaotong University, Lanzhou 730070

Corresponding author: HAN Xiang-En,
Received Date: 28 July 2008
Available Online: 20 October 2008
Fund Project: 甘肃省自然科学基金(3Z-S042-B25-041) (3Z-S042-B25-041)兰州交通大学青蓝基金(QL-05-17A)资助项目 (QL-05-17A)

Thiophene-2-carbaldehyde was synthesized from thiophene under the optimized conditions.The product was used to synthesize Schiff base thiophene-2-carbaldehyde by reaction with 4-aminophenol.The thiophene Schiff base was esterified with undecene acid catalyzed by N,N'-dicyclohexylcarbodiimide(DCC)/4-dimethylamiopryidine(DMAP).The structures and liquid crystalline properties of the synthesized compounds were investigated by IR,NMR,and the polarizing optical microscopy(POM).The inhibiting activity of the thiophene Schiff base was tested with the paper strip method,and it displays a good inhibiting activity.
- thiophene,
- Schiff base,
- antibacterial activity,
- liquid crystal
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