| Synthesis of New Schiff Bases Containing Thiophene Moiety |
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| 作者姓名： | Zhu Wan-ren Hu Pei-zhi Li Mei-ying Huang Xiao-ling Wu Cheng-tai
College of Chemistry and Molecular Sciences Wuhan University Wuhan Hubei China |
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| 作者单位： | Zhu Wan-ren，Hu Pei-zhi，Li Mei-ying，Huang Xiao-ling，Wu Cheng-tai
College of Chemistry and Molecular Sciences，Wuhan University，Wuhan 430072，Hubei，China |
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| 摘 要： | Seven new Schiff bases, which are 4,4,4-trifluo-ro-1-(2-thienyl)-1-butanone-3-Z, Z =-thioseraicarbazone (a); -thiocarbohydrazone (b),-benzoic hydrazone (c), -( o-hydroxyphenyl) imine (d) ,-nicotinic hydrazone (e),-salicylic hydrazone (f), and -(p-fluoro-m-chlorophenyl) imine (g), have been synthesized by reaction of 4, 4, 4-trifluoro-1-(2-thienyl)-1,3-butanedione (TFTBD) with corresponding hy-drazides or anilines, acetic acid or p-toluence sulfonic acid as catalyst, and characterized by Elemental analysis, IR, UV-Vis,1H NMR and MS. The MS spectra confirmed that the -C3=O condensed with primary amino group. Tauto-merism of the compounds is discussed.
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Synthesis of new Schiff bases containing thiophene moiety |
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| Zhu Wan-ren,Hu Pei-zhi,Li Mei-ying,Huang Xiao-ling,Wu Cheng-tai
College of Chemistry and Molecular Sciences,Wuhan University,Wuhan ,Hubei,China.Synthesis of New Schiff Bases Containing Thiophene Moiety[J].Wuhan University Journal of Natural Sciences,2003,8(2):433-436. |
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| Authors: | Zhu Wan-ren Hu Pei-zhi Li Mei-ying Huang Xiao-ling Wu Cheng-tai |
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| Institution: | (1) College of Chemistry and Molecular Sciences, Wuhan University, 430072 Wuhan, Hubei, China |
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| Abstract: | Seven new Schiff bases, which are 4,4,4-trifluo-ro-1-(2-thienyl)-1-butanone-3-Z, Z =-thioseraicarbazone (a); -thiocarbohydrazone (b),-benzoic hydrazone (c), -( o-hydroxyphenyl) imine (d) ,-nicotinic hydrazone (e),-salicylic hydrazone (f), and -(p-fluoro-m-chlorophenyl) imine (g), have been synthesized by reaction of 4, 4, 4-trifluoro-1-(2-thienyl)-1,3-butanedione (TFTBD) with corresponding hy-drazides or anilines, acetic acid or p-toluence sulfonic acid as catalyst, and characterized by Elemental analysis, IR, UV-Vis,1H NMR and MS. The MS spectra confirmed that the -C3=O condensed with primary amino group. Tauto-merism of the compounds is discussed. |
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| Keywords: | thiophene moiety Schiff base synthsis tau-tomerism |
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