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首页> 外文期刊>Inorganic Chemistry Communications >Lithium-mediated ring opening of 1,4-dioxane and structural characterization of a Li_(12)O_(12) truncated octahedron
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Lithium-mediated ring opening of 1,4-dioxane and structural characterization of a Li_(12)O_(12) truncated octahedron

机译:锂介导的1,4-二恶烷的开环和Li_(12)O_(12)截短的八面体的结构表征

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摘要

The equimolar reaction of ~tBuLi with 4-Cl-2,6-Me2-C6H2OH (ArOH) in 1,4-dioxane led to the unexpected formation of the mixed-anion, 1D polymer [(ArO)2(RO)4Li6 · (diox)]_∞, 1 (where RO = H2C=C(H)OCH2 CH2O~-). Incorporation of the alkoxy vinyl ether is due to cleavage of 1,4-dioxane by ~tBuLi. Compound 1 can also be prepared rationally by the reaction of ~nBuLi with ethylene glycol vinyl ether and ArOH in 1,4-dioxane solution. Direct lithiation of ethylene glycol vinyl ether results in the formation of the alkox-ide [ROLi]_(12), 2. The crystal structure of 2 reveals an unusual truncated octahedral arrangement in the solid state, where each metal is chelated by a vinyl ether subunit.
机译:〜tBuLi与4-Cl-2,6-Me2-C6H2OH(ArOH)在1,4-二恶烷中的等摩尔反应导致混合阴离子一维聚合物[(ArO)2(RO)4Li6· (diox)] _∞,1(其中RO = H2C = C(H)OCH2 CH2O〜-)。烷氧基乙烯基醚的引入是由于〜tBuLi对1,4-二恶烷的裂解。化合物1也可以通过〜nBuLi与乙二醇乙烯基醚和ArOH在1,4-二恶烷溶液中的反应合理地制备。乙二醇乙烯基醚的直接锂化导致形成烷氧基[ROLi] _(12),2。2的晶体结构揭示了一种固态的不寻常的截断八面体排列,其中每种金属均被乙烯基螯合醚亚基。

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