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Structural diversity of methyl-substituted inclusion complexes of calix[5]arene

机译:杯[5]芳烃的甲基取代包合物的结构多样性

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摘要

The three isomers of xylene form inclusion complexes with p-H-calix[5]arene with different spatial interplay of the cavitands, which is relevant to using crystallization as a means of separating mixtures of o-, m-, and p-xylenes. Competition experiments involving mixtures of o-/m-xylene, o-/p-xylene, and m-/p-xylene and a mixture of all three isomers showed some selectivity in the inclusion of the xylenes with p-H-calix[5]arene according to the inequality m- > o- > p-xylene. Also reported are the toluene and mesitylene solvates, which are isostructural with the o-xylene and m-xylene inclusion complexes, respectively.
机译:二甲苯的三种异构体与对-H-杯[5]芳烃形成包合配合物,空化分子具有不同的空间相互作用,这与使用结晶作为分离邻,间和对二甲苯混合物的手段有关。竞争实验涉及邻/间二甲苯,邻/对二甲苯和间-对二甲苯的混合物以及所有三种异构体的混合物,这些实验表明在将二甲苯与pH-calix [5]芳烃混入时具有一定的选择性根据不等式m-> o->对二甲苯。还报道了甲苯和均三甲苯溶剂合物,它们分别与邻二甲苯和间二甲苯包合物形成同构。

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