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  • 學位論文

可再使用的鈀/陽離子性2,2'-雙呲啶系統催化芳香族羥基碘化物的氫氧-與甲氧羰基化反應

Reusable Palladium/ Cationic 2,2'-Bipyridyl System Catalyzed Hydroxy- and Methoxycarbonylation of Aryl Iodides

指導教授 : 蔡福裕

摘要


利用鈀金屬進行催化的反應已經是一個強而有力的工具在進行有機合成反應上面。近年來我們實驗室置製備了水溶性的陽離子配位基並且利用此配位基與鈀金屬配位得到鈀金屬的錯合物,然後用此觸媒來進行羰基化的反應。我們應用了此催化系統在溶劑為水、100℃ 的溫度以及 10 atm一氧化碳的條件下進行羰基化反應可以讓起始物aryl iodides形成羧酸相關的衍生物且得到很高的效率轉換,另外進行再使用反應時,催化劑的活性在使用的過程中僅表現出些微的損失。甚至當我們以相同的催化劑在溶劑為甲醇的條件下合成相關的酯類,一樣可以達到很高的產率

並列摘要


Palladium-catalyzed coupling reactions have emerged as a power tool for advanced organic synthesis. We have recently prepared water-soluble cationic 2,2-bipyridyl ligand and utilized it to bring a palladium complex into the aqueous phase for carbonylation reactions. Applying this catalytic system in aqueous solution exhibits high efficiency in the carbonylation of aryl iodides led to the formation of carboxylic acid at 100℃and 10 atm of CO. Moreover, this catalyst showed only slight loss of its activity in the recycling process. We also applied this highly efficient catalyst in methanol to synthesize esters

參考文獻


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