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Student Number 93223040
Author Ching-Wei Ko(柯青煒)
Author's Email Address 93223040@cc.ncu.edu.tw
Statistics This thesis had been viewed 1541 times. Download 538 times.
Department Chemistry
Year 2005
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title Pentiptycene Chemistry: New Pentiptycene Building Blocks Derived from Pentiptycene Quinones
Date of Defense 2006-06-19
Page Count 160
Keyword
  • functionalization of pentiptycene quinones
  • Abstract The three-dimensional rigid iptycene frameworks such as triptycene and pentiptycene have found versatile usages in constructing molecules of both fundamental and practical importance. While the synthesis of many parent iptycenes is well-documented, further functionalization of their phenyl rings with both high regioselectivity and precise control of stoichiometry appears to be rather difficult in view of their high molecular symmetry. Although significant progress in the synthesis of more extended iptycene quinones has been made in the past years, transformation of these quinones to functionalized iptycenes has been poorly developed. To expedite the pentiptycene as well as larger iptycene chemistry, methodologies for facile synthesis of new iptycene building blocks are highly demanded.
    This thesis is aimed to develop efficient methodologies for the synthesis of new middle-ring monsubstituted or disubstituted pentiptycenes from pentiptycene quinones. We have successfully used deamination, halogenation, alkylation, cyaniding, and reduction reactions to prepare our target compounds. One of the substituents is a amino, diazo, nitro, chloro, bromo, iodo, cyano, or formyl group and the other is a hydrogen, hydroxy, alkoxy, or perfluoro-1-butane sulfonyloxy group. These functionalized pentiptycenes are potential building blocks for constructing novel pentiptycene-incorporated systems.
    Table of Content 中文摘要
    英文摘要
    謝誌
    目錄...............................Ⅰ
    圖表目錄...........................Ⅴ
    附圖目錄...........................Ⅷ
    第一章前言..........................1
    1-1 荑(Iptycene)分子之介紹..........1
    1-1-1 苯荑分子之類型與命名..........1
    1-1-2 苯荑分子之性質................3
    1-2-1 三苯荑分子....................3
    1-2-2 五苯荑分子....................4
    1-2-3 荑與荑醌(pentiptycene quinone)之間的差別...............5
    1-3 荑醌(Iptycene quinone)之歷史.............................5
    1-3-1 三苯荑醌與五苯荑醌起源.................................5
    1-3-2 三苯荑醌合成之改進.....................................6
    1-3-3 五苯荑醌合成之改進.....................................7
    1-3-4 三苯荑醌與五苯荑醌之合成方法比較.......................9
    1-4 苯荑分子之官能化.........................................9
    1-4-1 官能化的分類...........................................9
    1-4-2 三苯荑醌之官能化.......................................10
    1-4-3 五苯荑醌之官能化.......................................12
    1-4-4 三苯荑醌與五苯荑醌官能化之比較.........................12
    1-4-5 五苯荑醌之官能化類型...................................14
    1-4-6 苯荑分子外圍苯環與架橋之官能化.........................15
    1-4-7 苯荑分子中心苯環官能化不易之原因.......................16
    1-5 苯荑分子官能化之應用.....................................16
    1-5-1 應用在液晶分子的排列...................................17
    1-5-2 作為化學感應分子(Chemosensor) .........................18
    1-5-3 應用在分子轉動的控制...................................19
    1-5-4 應用在有機硫醇之金屬表面研究...........................20
    1-5-5 苯荑分子之應用範圍.....................................21
    1-6 研究動機.................................................21
    第二章結果與討論.............................................23
    2-1 五苯荑醌肟(Pentiptycene quinone monooxime)合成方法.......23
    2-1-1 五苯荑醌肟之反應條件...................................23
    2-1-2 五苯荑醌二肟(Pentiptycene quinone dioxime)之合成討論...24
    2-2 胺基五苯荑酚(Aminopentiptycene phenol)之合成方法.........26
    2-2-1 胺基五苯荑酚之反應條件.................................26
    2-2-2 改善胺基五苯荑酚之溶解度...............................26
    2-2-3 重氮鹽基五苯荑酚之合成方法.............................27
    2-2-4 重氮鹽苯化合物(Benzenediazonium compound)之合成應用....28
    2-3 胺基五苯荑酚之官能化討論.................................29
    2-3-1 溴化之合成討論.........................................29
    2-3-2 氯化之合成討論.........................................32
    2-3-3 碘化之合成討論.........................................33
    2-3-4 氰化之合成討論.........................................34
    2-4 去胺基(Deamination)之合成討論............................35
    2-4-1 氧氣的影響.............................................35
    2-4-2 亞硝酸三級丁酯的競爭...................................37
    2-4-3 次磷酸對去胺基反應的影響...............................40
    2-4-4 五苯荑酚自由基之反應選擇性.............................42
    2-4-5 五苯荑酚之合成討論.....................................43
    2-4-6 反應機制的探討.........................................44
    2-4-7 苯胺類分子硝化反應的探討...............................45
    2-6 辛氧基五苯荑(Octyloxypentiptycene)之鹵化反應.............47
    2-7 利用溴基辛氧五苯荑進行官能化.............................48
    2-7-1 氰基辛氧五苯荑(Cyanopentiptycene)之合成方法............48
    2-7-2 辛氧基五苯荑甲醛(Octyloxypentiptycene aldehyde)合成方法49
    2-8 二碘五苯荑(Diiodopentiptycene)之合成策略.................49
    2-9 碘基辛氧五苯荑應用在偶合反應.............................51
    第三章結論...................................................53
    第四章實驗部份...............................................55
    4-1 實驗藥品與溶劑...........................................55
    4-2 實驗儀器.................................................60
    4-3 實驗步驟.................................................60
    五苯荑醌(化合物3)之合成......................................65
    五苯荑醌肟(化合物5)之合成....................................65
    胺基五苯荑酚(化合物8)之合成..................................66
    重氮鹽五苯荑酚(化合物9)之合成................................66
    溴五苯荑酚(化合物10)之合成...................................67
    硝基五苯荑酚(化合物11)之合成.................................67
    五苯荑酚(化合物12)之合成.....................................68
    氯五苯荑酚(化合物13)之合成...................................68
    碘五苯荑酚(化合物14)之合成...................................69
    氰基五苯荑酚(化合物15)之合成.................................70
    辛氧基五苯荑(化合物17)之合成.................................70
    辛氧基碘五苯荑(化合物18)之合成...............................71
    辛氧基溴五苯荑(化合物19)之合成...............................71
    氰基辛氧五苯荑(化合物20)之合成...............................72
    辛氧基五苯荑甲醛(化合物21)之合成.............................72
    化合物22 之合成..............................................73
    硝基五苯荑(化合物25)之合成...................................74
    化合物30 之合成..............................................74
    化合物31 之合成..............................................75
    化合物32 之合成..............................................76
    化合物33 之合成..............................................77
    化合物34 之合成..............................................77
    參考文獻.....................................................79
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    Advisor
  • Duen-Ren Hou(侯敦仁)
  • Jye-Shane Yang(楊吉水)
  • Files
  • 93223040.pdf
  • approve in 2 years
    Date of Submission 2006-07-04

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