Synthesis and study on the property of new thiophene Schiff base

Chinese Journal of Applied Chemistry ›› 2009, Vol. 26 ›› Issue (08): 935-938.

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Synthesis and study on the property of new thiophene Schiff base

HAN Xiang-En*, QU Qi-Chao, WU Yu-Ban, XU Yan-Liang, HAN Hui

(School of Chemical and Biological Engineering Lanzhou Jiaotong University,Lanzhou 730070)

Received:2008-07-28 Revised:2008-10-27 Published:2009-08-10 Online:2009-08-10

Abstract

Abstract:

Thiophene-2-carbaldehyde was synthesized by thiophene under the optimized conditions, then it was used to condensed with 4-aminophenol Schiff base to synthesize Thiophene-2-carbaldehyde to 4-aminophenol, and the thiophene Schiff base was esterified with undecene acid in the high effect DCC/DMAP esterification. The production has better liquid crystal phase under a polarizing microscopy. The inhibiting activity of the thiophene Schiff base was testing with the Paper strip method, and the result showed well inhibiting activity.

Key words: thiophene, Schiff base, inhibitory effect, liquid crystal

CLC Number:

O621.2

HAN Xiang-En*, QU Qi-Chao, WU Yu-Ban, XU Yan-Liang, HAN Hui. Synthesis and study on the property of new thiophene Schiff base[J]. Chinese Journal of Applied Chemistry, 2009, 26(08): 935-938.

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Synthesis and study on the property of new thiophene Schiff base

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