研究生: |
李信甫 Lee, Hsin Fu |
---|---|
論文名稱: |
金及銠金屬催化1,6-烯炔化合物與重氮化合物合成四氫-1H-環戊烯併呋喃衍生物之反應 Gold and Rhodium-Catalyzed Synthesis of Tetrahydro-1H-cyclopenta[c]furans from 1,6-Enynes and Diazo Compounds |
指導教授: |
劉瑞雄
Liu, Rai Shung |
口試委員: |
吳明忠
Wu, Ming Jung 李文泰 Li, Wen Tai |
學位類別: |
碩士 Master |
系所名稱: |
理學院 - 化學系 Department of Chemistry |
論文出版年: | 2016 |
畢業學年度: | 104 |
語文別: | 中文 |
論文頁數: | 175 |
中文關鍵詞: | 金金屬催化 、銠金屬催化 、烯炔化合物 、重氮化合物 |
外文關鍵詞: | Gold-Catalyzed, Rhodium-Catalyzed, 1,6-Enyne, diazo |
相關次數: | 點閱:1 下載:0 |
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我們發展出了一套能將1,6-烯炔化合物及重氮化合物,在溫和條件金金屬催化下,可以合成出E/Z form乙烯基二環[3.1.0]己烷衍生物。接下來藉由銠金屬催化E/Z form乙烯基二環[3.1.0]己烷衍生物,依據基質特性的不同,會生成兩種不同形式的產物,銠金屬會先插入三元環的碳碳鍵中,若此時中間體發生1,3–位移反應,則會生成四氫-1H-環戊烯併呋喃衍生物;若中間體發生β-氫消除反應則會生成含有共軛雙烯結構的產物,且兩者都有不錯的產率。
The reaction of a variety of unsaturated bond-containing 1,6-enynes with diazo compounds in the presence of [(IPr)AuBF4] as catalyst precursor at room temperature leads to the general formation of alkenylbicyclo[3.1.0]hexane derivatives with good yields, which were, afterwards, when heated in o-xylene solvent in the presence of [Rh(CO)2Cl]2 as catalyst at 150 0C affords two types of product, depending on the type of tether in alkenylbicyclo[3.1.0]hexane derivatives. In the first case, rhodium insertion into three member ring followed by 1,3-shift gives tetrahydro-1H-cyclopenta[c]furan. Whereas, in the second case, rhodium insertion and beta-hydride elimination affords conjugate diene compound. Both cases give good yields.
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