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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.Chang, Ching-Chih
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search.filters.author.張景智
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search.filters.subject.an all-carbon quaternary stereocenter
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search.filters.subject.asymmetric arylative cyclization
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search.filters.subject.bicyclo[2.2.1]heptadiene ligand
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search.filters.subject.chiral indenes
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search.filters.subject.Rhodium(I)-catalyzed
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2022
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Author: search.filters.author.Chang, Ching-Chih
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經由一價銠金屬催化聯繼芳基環化與β-乙醯氧基消去反應合成具全碳四級立體中心之掌性茚化合物
(
2022
)
張景智
;
Chang, Ching-Chih
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本篇論文使用一價銠金屬及含醯胺取代的掌性雙環[2.2.1]雙烯配位基L2a形成之催化劑,並加入三乙胺作為添加劑,以甲醇作為溶劑,於反應溫度40 ℃之條件下,催化炔類化合物2與芳基硼酯化合物1進行不對稱聯繼芳基環化與β-乙醯氧基消去反應,最終生成一系列具全碳四級立體中心的掌性茚化合物3。總共有27個例子,產物產率介於17–99%,鏡像超越值最高達98%,產物位置選擇性最佳比例則為20:1。
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