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| 研究生： |
張為舟 Wei-Chou Chang |
|---|---|
| 論文名稱： |
雙雜環單偶氮及雙偶氮染料之合成及性質探討 Synthesis and Properties of Bisheterocyclic Mono and Disazo Dyes based on 5-Amino-3-Methyl- Pyrazole Compound |
| 指導教授： |
王英靖
Ing-Jing Wang |
| 口試委員: |
許應舉
Ying-Gev Hsu 陳耿明 Keng-Ming Chen |
| 學位類別： |
碩士 Master |
| 系所名稱： |
工程學院 - 材料科學與工程系 Department of Materials Science and Engineering |
| 論文出版年： | 2006 |
| 畢業學年度： | 94 |
| 語文別： | 中文 |
| 論文頁數： | 62 |
| 中文關鍵詞： | 3-胺基丁烯腈 、苯騈噻唑 、吡唑 |
| 外文關鍵詞： | 3-aminocrotononitrile, bezothiazole, pyrazole |
| 相關次數： | 點閱：192 下載：1 |
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雙雜環單偶氮及雙偶氮染料之合成及性質探討
張為舟 王英靖
中文摘要
本研究以2-胺基-6-取代基-苯騈噻唑(1a、1b)為起始物，在硫酸與亞硝酸鈉0~5℃冰浴的條件下與3-胺基丁烯腈偶合，合成中間體3a、3b，隨後與聯胺(4)水解縮合反應成不同的4-(6’-取代基-苯騈噻唑-偶氮基)- 5-胺基-3-甲基-吡唑中間體(5a、5b)。緊接著分成兩條路徑進行，一方面與4-取代基-苯醛(6a~6c)在鹼的催化條件下，脫水反應成5-(4’-取代基-苯亞烯胺)-4-(6’-取代基-苯騈噻唑-偶氮基)-3-甲基-吡唑(7a~7f)；另一條路徑則與4-取代基-苯環(8a~8c)，在弱酸下偶合成5-(4’-取代基-苯偶氮基)-4-(6’-取代基-苯騈噻唑-偶氮基)-3-甲基-吡唑染料(9a~9f)。所合成之化合物均經TLC、FT-IR及1H-NMR等鑑定確定其化學構造。
關鍵字: 苯騈噻唑，3-胺基丁烯腈，吡唑
Synthesis and Properties of Bisheterocyclic Mono and Disazo Dyes based on 5-Amino-3-Methyl- Pyrazole Compound
Wei-Chou Chang,Ing-Ging Wang
ABSTRACT
In this study,5-amino-3-methyl-4-(6’-substituted-bezothiazol-ylazo)-pyrazole compounds have been synthesized by the
cyclocondensation reaction of 2-(2’-hydrozone-3’-ketimino-
butyro-nitrile)-6-substituted-benzothiazole with hydrazine
hydrate.The dyes were dehydrated with 4-substituted-benzal
-dehyde to give 5-(4’-substituted-benzylideneamino)-4-(6’-sub-stituted benzothiazolylazo)-3-methyl-pyrazole,and obtained 5-(4’-substituted-phenylazo)-4-(6’-substituted-benzothiazolylazo)-3-methyl-pyrazole by coupled with 4-substituted-benzene.
The structures of these compounds were determined by
spectrometry of FT-IR and 1H-NMR etc. We also research
in wavelength of bisheterocyclic mono and disazo dyes.
Keywords: bezothiazole,3-aminocrotononitrile,pyrazole
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