研究生: |
林兆駿 |
---|---|
論文名稱: |
共軛雙烯的分子內環氧與胺的環化反應 |
指導教授: | 葉名倉 |
學位類別: |
碩士 Master |
系所名稱: |
化學系 Department of Chemistry |
論文出版年: | 2007 |
畢業學年度: | 95 |
語文別: | 中文 |
論文頁數: | 120 |
中文關鍵詞: | 環氧 |
論文種類: | 學術論文 |
相關次數: | 點閱:75 下載:0 |
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利用(η5-1,3-環己雙烯)三羰鐵陽離子錯鹽以及(η5-1,3-環庚雙烯)三羰鐵陽離子錯鹽與帶有氰基之鋅銅試劑進行親核性加成反應,再以氧化劑將三羰鐵錯合物去錯合,並將氰基轉換為環氧基,將此環氧共軛雙烯化合物利用路易士酸 BF3‧OEt2 進行分子內環化反應,產生三環或架橋化合物。
利用(η5-1,3-環庚雙烯)三羰鐵陽離子錯鹽,與sodium diphenylacetonitrile 進行親核性反應,經氧化劑去錯合後,得到C-5位置帶有雙苯官能基之1,3-環庚雙烯氰化合物,並將氰基轉換為苯磺醯胺化合物,將此共軛雙烯苯磺醯胺化合物利用0.05 當量的 Au(PPh3)Cl及0.05 當量的AgOTf溶於甲苯溶劑中進行分子內氫胺化反應,得到單一位向選擇的雜環化合物。
Abstract
Addition of cyano-funtionalized zinc-copper reagents to (η5-cyclohexa-1,3-diene)Fe(CO)3 and (η5-cyclohepta - 1,3-diene )Fe(CO)3 complexes produce the corresponding C-5 cyano- funtionalized (η4- cyclohexa
-1,3-diene)Fe(CO)3 and (η4-cyclohepta-1,3-diene)Fe(CO)3 complexes, respectively. Transformation of the cyano group using trimethylsulfonium iodide and base to give epoxide group. Intramolecular cyclization of diene with epoxide catalyzed by BF3.OEt2 afforded hetero-tricyclic compounds.
The addition of sodium diphenylacetonitrile to (η5-cyclohepta-1,3-diene)Fe(CO)3 cation followed by decomplexation with cerium( IV ) ammonium nitrate (CAN) procedured the C-5 diphenylacetonitrile substituted cyclic 1,3-dienes. The resulting diphenylacetonitrile dienes was treated with lithium aluminium hydride, followed by addition of benzenesulfonyl chloride under basic condition to generate N-(2-(cyclohexa-2,4-dienyl)-2,2-diphenylethyl) benzenesulfonamide derivatives. Gold(I) catalyzed intramolecular cyclization of cyclohexa-1,3-diene bearing a benzenesulfonamide produced indole compounds.
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