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Selectivity Behavior of a Robust Porous Organic Salt Based on the Pamoate Ion

机译：基于酰胺离子的鲁棒多孔有机盐的选择性行为

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摘要

The selectivity of a porous hydrogen-bonded framework, 1 , toward various solvent mixtures has been investigated. Framework 1 , which is the hydrate of 3,4-lutidinium pamoate, crystallizes as its THF solvate, 1·THF . Solvent exchange can take place either by exposing crystals of 1·THF to solvent vapors or by immersing the crystals in a solvent. Framework 1 shows preferential inclusion of particular solvents when exposed to mixed solvent vapors, or to mixed solvents in the liquid form. Analysis showed that solvents are included in the same ratios when exposed to mixed solvents in the liquid or vapor phase, despite the significant differences in mole ratios between the liquid and vapor phases due to the different vapor pressures of the solvents investigated. In some cases, when immersed in solvent mixtures containing acetonitrile or acetone, 1·THF recrystallizes as an acetonitrile or acetone solvate of 3,4-lutidinium pamoate. The crystal structures of these two new solvates are also reported.
机译：研究了多孔氢键框架，1，朝向各种溶剂混合物的选择性。框架1，其是3,4-含氟盐的水合物，作为其THF溶剂化物结晶，1·THF。溶剂交换可以通过将1·THF的晶体暴露于溶剂蒸气或浸入溶剂中的晶体中来进行。框架1显示在暴露于混合溶剂蒸汽时或液体形式的混合溶剂时优先包含特定溶剂。分析表明，在液体或气相中的混合溶剂暴露于液体或气相中的混合溶剂时，溶剂包括在液体和蒸汽相之间的显着差异，由于所研究的溶剂的不同蒸汽压力，液体和蒸汽相之间的显着差异。在一些情况下，当浸入含乙腈或丙酮的溶剂混合物中时，1·THF作为乙腈或丙酮溶剂化物重结晶，为3,4-酸甲酯的乙腈或丙酮溶剂化物。还报道了这两种新溶剂化物的晶体结构。

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  • 来源
    《Crystal growth & design》 |2018年第2期|共10页
  • 作者

    Helene Wahl; Delia A. Haynes; Tanya le Roex;

  • 作者单位

    Department of Chemistry and Polymer Science Stellenbosch University P. Bag X1 Matieland 7602 Republic of South Africa;

    Department of Chemistry and Polymer Science Stellenbosch University P. Bag X1 Matieland 7602 Republic of South Africa;

    Department of Chemistry and Polymer Science Stellenbosch University P. Bag X1 Matieland 7602 Republic of South Africa;

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  • 正文语种 eng
  • 中图分类 晶体学;
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