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Transition metal triflate catalyzed conversion of alcohols, ethers and esters to olefins

机译:过渡金属三氟甲磺酸酯催化的醇,醚和酯转化为烯烃

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Herein, we report an efficient transition metal triflate catalyzed approach to convert biomass-based compounds, such as monoterpene alcohols, sugar alcohols, octyl acetate and tea tree oil, to their corresponding olefins in high yields. The reaction proceeds through C–O bond cleavage under solvent-free conditions, where the catalytic activity is determined by the oxophilicity and the Lewis acidity of the metal catalyst. In addition, we demonstrate how the oxygen containing functionality affects the formation of the olefins. Furthermore, the robustness of the used metal triflate catalysts, Fe(OTf) _(3) and Hf(OTf) _(4) , is highlighted by their ability to convert an over 2400-fold excess of 2-octanol to octenes in high isolated yields.
机译:在本文中,我们报告了一种高效的过渡金属三氟甲磺酸酯催化方法,该方法可将基于生物质的化合物(例如单萜醇,糖醇,乙酸辛酯和茶树油)高产率地转化为其相应的烯烃。反应在无溶剂条件下通过C–O键断裂而进行,其中催化活性取决于金属催化剂的亲氧性和路易斯酸度。此外,我们证明了含氧官能团如何影响烯烃的形成。此外,用过的金属三氟甲磺酸盐催化剂Fe(OTf)_(3)和Hf(OTf)_(4)的耐用性通过将高2400倍过量的2-辛醇转化为辛烯的能力而得到突出。孤立的产量。

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