臺灣博碩士論文加值系統

第一部分：
　　機能性材料之於以噻吩(Thiophene)為主體之化合物，在近年來於導電材料領域的發展上，具有相當的潛力；尤以3,4-聚二乙烯噻吩(EDOT)為例，其多項優越的性質，諸如高導電率、高穩定性、高透明度及易於加工…等特性，使得人們爭相投入相關衍生物的研究。本研究以噻吩為主體，將噻吩環的3,4號位置一邊以甲氧基修飾，另一邊以長碳鏈聯結另一噻吩單體合成二聚體，藉由改變官能基，得到一新穎之機能性材料結構如下。

第二部分：
　　辣椒素(capsaicin)源於自然界，為辣椒屬植物之次級代謝物，對動物具有強烈刺激性，利用其特性可廣泛應用於食品、醫療及預防有害動物。本研究著重於置換不同的醯氨碳鏈，合成辣椒素及其相關衍生物；並藉由簡化其製程，避免純化步驟，以達到可量產之目的。期許再將之用於諸如綠色農業驅蟲、倉儲之防鼠…等實驗。

PART1 :

The polymer of thiophene is one of the important Functional Materials which is a potential candidate for conductive material. The 3, 4-ethylenedioxythiophene (EDOT) polymer has many good characteristics, for instance, high conductivity, good stability, excellent transparency and easily processing. The derivatives of EDOT have been studies for years.
The main purpose of this study is focus on the synthetic studies the new monomer of thiophenes. Using one hydroxyl group to connect another thiophene part forms a new dimmer 23 with new structure.

PART2 :

Capsaicin (1) is one of the important compounds in the Capsicum annum plants. In addition to the stimulation to most animals. Capsaicin also can be used for food additive, medication and prevention invaded of the animal and insects in agriculture.
The main purpose of this study is to synthesis some derivatives of capsaicin. Using the simple and easy process, practical mass production method have been developed without purification steps.
The cheep capsaicin can be applied in green farming in the near future.

中文摘要…………………..……………………………………….I
英文摘要…………………..……….……………………………...III
誌謝………………………………....……………………………..V
PART-1機能性材料新型單體合成研究…………………..…1
壹、序論…………………………………………………………...2
貳、文獻回顧……………………………………………….……..6
參、研究動機與方向………………………………………....…...9
肆、合成方法與途徑………………………………………………10
伍、實驗結果與討論………………………………………………..18
陸、結論……………………………………………………………..23
柒、實驗藥品與測試儀器………………………………………..…24
捌、實驗方法與光譜數據………………………………………..….25
玖、參考文獻………………………………………………………..51
PART-2辣椒素衍生物合成研究………………………….……54
壹、 序論…………………………………………………..………..55
貳、 文獻回顧………………………………………………………58
參、 研究動機與方向……………………………………………....61
肆、 合成方法與途徑………………………………………………62
伍、 實驗結果與討論………………………………………………65
陸、 結論……………………………………………………………67
柒、 實驗藥品與測試儀器…………………………………………68
捌、 實驗方法與光譜數據…………………………………………69
玖、 參考文獻………………………………………………………91
表目錄
表一、TFT和OTFT之比較…………………………...……….…5
表二、化合物21a、21b所嘗試之去保護基所用反應條件….….19
表三、天然辣椒素中所含辣椒元化合物結構及性質……………56
圖目錄
圖一、羥基於噻吩環3,4號碳位置對脫羧反應之試驗…………...18
圖二、不同碳數的長碳鹵烷化合物對化合物24之反應………….22

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