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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, Haung-Yi
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search.filters.author.林晃伊
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search.filters.subject.Organocatalysis
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search.filters.subject.Desymmetrization
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search.filters.subject.Kinetic Resolution
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search.filters.subject.動力學分割
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search.filters.subject.去對稱化
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有機催化硝基烯類化合物動力學分割-非掌性環己酮去對稱化反應之探討
(
2015
)
林晃伊
;
Lin, Haung-Yi
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本研究在探討有機催化外消旋化合物動力學分割,並結合非掌性環己酮去對稱化反應,利用L-脯胺酸與樟腦架構的有機催化劑,先讓環己酮形成烯胺分子,烯胺分子與外消旋硝基烯類化合物反應,得到具有不錯產率(最高36%)及高鏡像選擇性(最高97% ee和 >99:1 dr)的產物,回收反應性較小的(R)-硝基烯類化合物,具有不錯的回收率及高光學純度(最高98% ee)。此反應經由SN2’的共軛加成-脫去反應,得到具三個掌性中心的產物分子,這是第一個成功以碳原子作為親核性試劑,同時進行動力學分割與去對稱化的例子。
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