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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Synthesis and crystal structure of N-(4-chloro-phen-yl)-5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidin-2-amine
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Synthesis and crystal structure of N-(4-chloro-phen-yl)-5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidin-2-amine

机译:N-(4-氯-苯基-基)-5,7-二甲基-1,2,4-三唑并[1,5-a]嘧啶-2-胺的合成及晶体结构

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摘要

The title compound, C13H12ClN5, was synthesized by the cyclization of 1-(4,6-di-methyl-pyrimidin-2-yl)-4-phenyl-thio-semicarbazide in the presence of Ni(NO3)2. The mol-ecular structure of the compound is essentially planar. In the crystal, mol-ecules form dimers via pairs of N—H?N hydrogen bonds between the H atom of the exocyclic amino group and the N atom at the 4-position of the triazole ring. The resulting dimers are packed into layers which are connected by π-stacking inter-actions between the aromatic systems of the pyrimidine and benzene nuclei, and between the triazole cores.
机译:在Ni(NO3)2存在下,通过环化1-(4,6-二甲基-嘧啶-2-基)-4-苯基-硫代-氨基脲合成标题化合物C13H12ClN5。该化合物的分子结构基本上是平面的。在晶体中,mol-ecule通过环外氨基的H原子与三唑环4位的N原子之间的成对的N-H→N氢键形成二聚体。所得的二聚体堆积成层,这些层通过嘧啶和苯核的芳族体系之间以及三唑核之间的π堆叠相互作用连接。

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