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首页> 外文期刊>Crystal growth & design >Understanding the p-toluenesulfonamide/triphenylphosphine oxide crystal chemistry: A new 1:1 cocrystal and ternary phase diagram
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Understanding the p-toluenesulfonamide/triphenylphosphine oxide crystal chemistry: A new 1:1 cocrystal and ternary phase diagram

机译：了解对甲苯磺酰胺/三苯膦氧化物的晶体化学：新的1：1共晶体和三元相图

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摘要

A novel 1:1 cocrystal between p-toluenesulfonamide and triphenylphosphine oxide has been prepared and structurally characterized. This 1:1 cocrystal was observed to form during solid state grinding experiments, with subsequent formation of a known 3:2 cocrystal in the presence of excess sulfonamide. Both cocrystals are stable in the solid state. The ternary phase diagram for the two coformers was constructed in two different solvents: Acetonitrile and dichloromethane. Examination of these diagrams clarified solution crystallization of both the newly discovered 1:1 cocrystal and the previously reported 3:2 cocrystal, and identified regions of stability for each cocrystal in each solvent. The choice of solvent was found to have a significant effect on the position of the solid state regions within a cocrystal system.
机译：制备了对甲苯磺酰胺和三苯基氧化膦之间的新型1：1共晶体，并对其结构进行了表征。观察到在固态研磨实验中形成了这种1：1共晶，随后在过量的磺酰胺存在下形成了已知的3：2共晶。两种共晶体在固态下都是稳定的。在两种不同的溶剂（乙腈和二氯甲烷）中构建了两种共形成剂的三元相图。这些图的检查澄清了新发现的1：1共晶和先前报道的3：2共晶的溶液结晶，并确定了每种共晶在每种溶剂中的稳定性区域。发现溶剂的选择对共晶体系内固态区域的位置具有显着影响。

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