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首页> 外文期刊>Journal of chemical crystallography >Synthesis and characterization of N,N'-terephthalidenebis(o-aminoaniline): Crystal structures of its two polymorphic forms controlled by changing the crystallization solvent
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Synthesis and characterization of N,N'-terephthalidenebis(o-aminoaniline): Crystal structures of its two polymorphic forms controlled by changing the crystallization solvent

机译:N,N'-对苯二甲撑双(邻氨基苯胺)的合成与表征:改变结晶溶剂控制其两种多晶型物的晶体结构

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摘要

The compound N,N'-terephthalidenebis(o-aminoaniline) (1) was synthesized by the condensation reaction of terephthalaldehyde with o-phenylenediamine and structurally characterized by ~1H NMR, ~(13)C NMR, FT-IR, mass spectrometry, elemental analysis and single crystal X-ray diffraction. The structures of two distinct polymorphic forms of N,N'-terephthalidenebis(o- aminoaniline) (1), have been studied using single crystals obtained under different crystallizing conditions. Similarities in molecular conformation and detailed differences in arrangements of these molecules in crystal lattice are distinguished between two polymorphs of (1) and discussed. Graphical Abstract: The structures of two distinct polymorphic forms of N,N'-terephthalidenebis(o- aminoaniline) (1), have been studied using single crystals obtained under different crystallizing conditions.[Figure not available: see fulltext.]
机译:通过对苯甲醛与邻苯二胺的缩合反应合成化合物N,N'-对苯二甲撑(邻氨基苯胺)(1),并通过〜1H NMR,〜(13)C NMR,FT-IR,质谱,元素分析和单晶X射线衍射。 N,N'-对苯二甲撑双(邻氨基苯胺)(1)的两种不同的多晶型形式的结构已使用在不同结晶条件下获得的单晶进行了研究。分子构象的相似性和这些分子在晶格中排列的详细差异在(1)的两个多晶型物之间进行了区分并进行了讨论。图形摘要:已使用在不同结晶条件下获得的单晶研究了N,N'-对苯二甲撑二(邻氨基苯胺)(1)的两种不同的多晶型形式的结构。[无图:全文]

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