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首页> 外文期刊>Acta Crystallographica, Section B. Structural science, crystal engineering and materials >Crystal engineering: co-crystals of cinnamic acid derivatives with a pyridyl derivative co-crystallizer
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Crystal engineering: co-crystals of cinnamic acid derivatives with a pyridyl derivative co-crystallizer

机译：晶体工程：肉桂酸衍生物与吡啶基衍生物共结晶器的共晶体

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摘要

A number of hydrogen-bonded co-crystals, consisting of a cinnamic acid derivative and a pyridyl co-crystallizer, have been synthesized and their properties investigated by X-ray diffraction. Samples were prepared by recrystallization or solvent drop grinding of trans-cinnamic acid (1), 4- methylcinnamic acid (2), 4-methoxy cinnamic acid (3) or 3,4-methoxy cinnamic acid (4), with 4,4-dipyridyl (A), iso-nicotinamide (B) or nicotinamide (C). The X-ray single-crystal structures of seven novel co-crystals, obtained through recrystallization, are examined and the hydrogen-bonding interactions discussed. Consistent hydrogen-bonding motifs were observed for samples prepared when using 4,4-dipyridyl (A) or iso-nicotinamide (B) as the cocrystallizing agent. Powder X-ray diffraction analysis of the samples prepared by solvent drop grinding suggests the formation of ten co-crystals.
机译：已经合成了许多由肉桂酸衍生物和吡啶基共结晶剂组成的氢键合晶体，并通过X射线衍射研究了它们的性能。通过对重肉桂酸（1），4-甲基肉桂酸（2），4-甲氧基肉桂酸（3）或3,4-甲氧基肉桂酸（4）和4,4进行重结晶或溶剂滴磨制备样品-二吡啶基（A），异烟酰胺（B）或烟酰胺（C）。研究了通过重结晶获得的七个新型共晶的X射线单晶结构，并讨论了氢键相互作用。当使用4,4-二吡啶基（A）或异烟酰胺（B）作为共结晶剂制备的样品中观察到一致的氢键基序。通过溶剂滴磨制备的样品的粉末X射线衍射分析表明形成了十个共晶体。

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