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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.LIN, CHIH-TSUNG
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search.filters.author.林志聰
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search.filters.subject.dehydration reaction
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search.filters.subject.chiral oxovanadium complex
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search.filters.subject.kinetic resolution
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search.filters.subject.retro-nitroaldol reaction
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search.filters.subject.β-nitro alcohol
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2009
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利用N-亞柳胺基酸衍生之掌性氧釩錯合物對β-硝基醇之衍生物進行光學對拆離之研究
(
2009
)
林志聰
;
LIN, CHIH-TSUNG
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本論文主要是利用實驗室所發展的一系列N-亞柳胺基酸衍生之掌性氧釩錯合物,可以有效催化消旋化的β-硝基醇進行脫水及逆反應之光學對拆離。一開始的主軸是放在尋找最佳的反應條件,以及嘗試著更換受質的取代基,此外藉由在錯合物上亞柳基的苯環C-3及C-5位置植入不同取代基,成功的區分出β-硝基醇衍生物的鏡像異構物。當錯合物C-3位置植入1-萘基及C-5 位置植入硝基時,可得到43% 產率及73% 鏡像超越值的β-硝基醇,選擇性因子達12,同時也是第一個利用氧釩錯合物對β-硝基醇進行光學對拆離,且得到具有光學活性的β-硝基醇衍生物。
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