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  • 學位論文

以鐵三價在水中催化芳基碘與具有活性的烯類進行共軛加成

FeCl3-Catalyzed Conjugate Addition of Aryl Iodides with Activated Olefins in Aqueous Phase

指導教授 : 蔡福裕

摘要


我們利用鐵三價/2,2’-雙吡啶催化系統在水中將芳基碘與具有活性的烯類進行合成,其中以鋅作為還原劑,KOAc為鹼,溫度80℃下反應12個小時,可以得到 Michael-type的加成產物,且具有相當不錯的產率。此一催化系統非常適合用來活化芳基碘去進行反應,且此反應具有兩項優勢:其一,在所有的B族過渡金屬中,鐵是最便宜的過渡金屬,可以節省成本,另外我們使用地球含量最多、對環境汙染最少、最環保的溶劑,水做為此反應的主要溶劑,使此反應符合綠色化學的規範,藉此大大提升此反應的可行性。

並列摘要


An efficient FeCl3•6H2O/cationic 2,2’-bipyridine system catalyzed cross-coupling of aryl iodides with activated olefins in water in the presence of Zn as the reductant, giving Michael-type addition products in good to high yields. The present system provides an extremely suitable catalyst for the activation of a variety of aryl iodides and it has two advantages: iron is the cheapest transition-metal, less environmental pollution and the greenest solvent, water, is employed as the reaction medium.

參考文獻


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