高等学校化学学报

高等学校化学学报 ›› 1993, Vol. 14 ›› Issue (11): 1547.

• 研究论文 • 上一篇    下一篇

四氢咪啶[2,1-a]并-2,3-二苯基-1,4-二氮杂-3-环己烯的合成与结构

林振光1, 庄鸿辉2, 卢灿忠2   

  1. 1. 福建师范大学化学系, 福州 350007;
    2. 中国科学院物质结构研究所, 结构化学国家重点实验室, 福州
  • 收稿日期:1992-12-23 修回日期:1993-08-01 出版日期:1993-11-24 发布日期:1993-11-24
  • 通讯作者: 庄鸿辉
  • 作者简介:林振光, 男, 56岁, 副教授.

Synthesis and Structure of Tetrahydroimidazo[2,1-a]- 2,3-diphenyl-1, 4-diazo-3-cyclohexene

LIN Zhen-Guang1, ZHUANG Hong-Hui2, LU Can-Zhong2   

  1. 1. Department of Chemistry, Fujian Teachers' University, Fuzhou, 350007;
    2. Fujian Institute of Research on the Structure of Matter, Academia Sinica; State Key Laboratory of Structure Chemistry, Fuzhou
  • Received:1992-12-23 Revised:1993-08-01 Online:1993-11-24 Published:1993-11-24

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被引次数

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摘要： 对由二乙烯三胺与联苯甲酰合成的标题化合物进行了MS、IR、UV、NMR谱的表征及X射线单晶衍射结构分析.该化合物Mr=277.39,晶体属P21/n空间群,晶胞参数a=0.9442(2)nm,b=1.4344(4)nm,c=1.1824(3)nm.β=112.92(2)°,Z=4,Dc=1.25g·cm-3.晶体结构由直接法解出,1827个可观察衍射参与最小二乘法修正,最终偏差因子R=0.050.结果表明标题化合物是一非平面型,具有部分不饱和键的氮杂稠二环化合物,其母体六元环为椅式构型、五元环为半椅式构型,2个取代苯基间的夹角为73.5°.

关键词: 四氢咪啶[2, 1-&alpha, ]并-1, 4-二氮杂-3-环己烯, 合成, 晶体结构

Abstract: The title compound was prepared by the condensation of benzile and diethylenetri-amine, which was characterized by IR, MS, 13C NMRand UV.The crystal structure was determined by X-ray diffraction analysis.C18H19N3, Mr=277.39, space group P21/n, cell parameters: a=0.9442(2) nm, b=1.4344(4) nm, c=1.1824(3) nm, β=112.94(2)°, Z=4, Dc=1.25 g · cm-3.The structure was solved by direct method.Refinements of full-matrix least-squares converged to a final R=0.05.The compound is a non-planar molecule, in which the parent structure has two rings, a six-member and a five-member with conformations of chair and half-chair forms respectively.The dihedral angle between two substituted phenyl planes is 73.5°.

Key words: Tetrahydroimidazo[2,1-a]-1,4-diazo-3-cyclohexene, Synthesis, Crystal structure

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