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首页> 外文期刊>Crystal growth & design >Crystal Engineering of Multicomponent Crystal Forms of p-Aminosalicylic Acid with Pyridine Based Coformers
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Crystal Engineering of Multicomponent Crystal Forms of p-Aminosalicylic Acid with Pyridine Based Coformers

机译:对-氨基水杨酸与吡啶基共聚体的多组分晶型的晶体工程

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摘要

This work reports detailed structural characterization of 13 new multicomponent solid forms of p-aminosalicylic acid (PAS) with various pyridine based compounds that include eight cocrystals, two salt cocrystals, two salts, and a salt hydrate. The structural chemistry of all solids of PAS with pyridine based coformers including those previously reported were analyzed in terms of PAS-coformer dimer or PAS-coformer-PAS trimer based on the carboxylic acid center dot center dot center dot pyridine synthon. The robustness of the carboxylic acid center dot center dot center dot pyridine synthon in the construction of a variety of multicomponent structures, the influence of solution composition and solvent in dictating the outcome of the crystallization event, and the applicability of the Delta pK(a) rule on a set of 32 PAS based multicomponent solids are also discussed.
机译:这项工作报告了13种新的对氨基水杨酸(PAS)的多组分固体形式的详细结构表征,这些形式包括多种吡啶基化合物,包括八个共晶体,两个盐共晶体,两个盐和一个水合物盐。用基于羧酸中心点中心点中心点吡啶合成子的PAS-coformer二聚体或PAS-coformer-PAS三聚体,分析了PAS与吡啶基共聚体的所有固体的结构化学,包括先前报道的那些。羧酸中心点中心点中心点吡啶合成子在多种多组分结构中的稳健性,溶液组成和溶剂对决定结晶事件结果的影响以及Delta pK(a)的适用性还讨论了一组基于32 PAS的多组分固体的规则。

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