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Clays as a host matrix in the synthesis of organic macrocycles

机译:粘土作为有机大环合成中的基质

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A new approach for the synthesis of amide macrocycles, based on the use of organo-clay derivatives as controlling template, is proposed as an alternative to the rotaxane method. Dications of p-xylylene diamine inserted in the clay interlayer space act as molding pillars around which neutral diamine molecules are erected via hydrogen bonding and pi - pi interactions to form supramolecular arrays. Condensation of diamines in the supramolecular arrays with diacetyl dichlorides yields various tetramide macrocycles in good yields. Shape, aromaticity and dimensions of the reactants are factors affecting the condensation reaction. [References: 27]
机译:提出了一种新的合成酰胺大环化合物的方法,该方法基于使用有机粘土衍生物作为控制模板,作为轮烷方法的替代方法。插入到粘土夹层空间中的对二甲苯二胺的阳离子充当模制柱,中性二胺分子通过氢键和pi-pi相互作用在其周围竖立,形成超分子阵列。超分子阵列中的二胺与二乙酰基二氯化物的缩合以良好的收率产生各种四酰亚胺大环。反应物的形状,芳香性和尺寸是影响缩合反应的因素。 [参考:27]

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