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研究生: 官亭君
Ting-Chun Kuan
論文名稱: 釕金屬催化環化加成反應形成1,2,3-三氮唑之探討
Study on the Ruthenium catalyzed cycloaddition to from 1,2,3-triazoles.
指導教授: 侯敦仁
Duen-Ren Hou
口試委員:
學位類別: 碩士
Master
系所名稱: 理學院 - 化學學系
Department of Chemistry
畢業學年度: 96
語文別: 中文
論文頁數: 200
中文關鍵詞: 釕金屬還化反應1,2, 3-三氮唑
外文關鍵詞: Ruthenium, cycloaddtion, 1,2,3-triazoles
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  • 在本篇論文中,我們對釕金屬催化炔與疊氮化合物經環化加成反
    應形成1,2,3-三氮唑做探討。由異構化的實驗當中,我們發現1,2,3-三氮唑結構穩定。也利用Hammett 方程式與動力學的實驗,發現在苯環對位上接有推電子基的二苯乙炔較有利於產物的生成,且炔類的濃度會影響反應速率。


    We have studied on the Ruthenium catalyzed cycloaddition of alkynes and azides to form 1,2,3-triazoles. In the isomerization studies, we found that the structure of 1,2,3-triazoles are stable. We have also found that
    diarylacetylene bearing electron-withdrawing groups are more reactive than those with electron-donating groups, and the reaction rate is proportional to the concentration of alkynes.

    中文摘要…………………………………………………………………..I 英文摘要…………………………………………………………………..II 總目錄…………………………………………………………………….III 流程圖目錄……………………………………………………………….IV 圖目錄……………………………………………………………………..V 表格目錄………………………………………………………………...VII 附圖目錄………………………………………………………………..VIII 第一章 緒論 ......................................................................................... IV 1-1 前言............................................................................................ 1 1-2 Hammett 方程式, ...................................................................... 8 1-3 化學動力學 ............................................................................. 11 1-4 研究動機 ................................................................................. 14 第二章 結果與討論 ............................................................................. 15 2-1 起始物的製備 ......................................................................... 15 2-2 異構化(isomerization) ............................................................. 19 2-3 Hammett 方程式 .................................................................... 24 2-4 RuAAC 是否為可逆反應? ................................................... 30 2-5 苯環鄰位上之取代基的影響 .................................................. 31 2-6 化學動力學 ............................................................................. 34 第三章 結論 ......................................................................................... 37 第四章 實驗部分 ................................................................................. 38 第五章 參考文獻 ................................................................................. 96

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