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理學院
化學系
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73899
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search.filters.author.Chiang, Pei-Fen
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search.filters.author.江佩芬
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search.filters.subject.aldimine
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search.filters.subject.potassium allyltrifluoroborates
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search.filters.subject.Rhodium
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search.filters.subject.亞胺
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search.filters.subject.烯丙基三氟鵬酸鉀鹽
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一價銠金屬/掌性雙環 [2.2.1] 雙烯催化芳香亞胺不對稱烯丙基化反應
(
2016
)
江佩芬
;
Chiang, Pei-Fen
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中文摘要: 本論文利用一價銠金屬和雙環 [2.2.1] 掌性雙烯配基 (L1a) 形成之錯合物為催化劑,以甲苯當溶劑加熱至100 °C的反應條件下,催化各種不同的烯丙基三氟硼酸鉀鹽試劑 27a–e 與芳基醛亞胺 30、33 進行不對稱1,2-加成反應,合成出一系列高鏡像選擇性的高烯丙基胺 (homoallylic amines) 化合物 31、34–38,其產率有24–90%,鏡像超越值為67–98% e.e.,而非鏡像異構物比值最高可達10:1。 利用建立出來的掌性化合物 31f 作為起始物,將不同的官能基骨架相續接上後合環,及可合成出天然物(S)-Crispine A。
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