Synthesis, Characterization and Biological Activity Studies on 6-p-Dimethylaminophenyl-5,6-dihydrobenzoimidazo[1,2-c]quinazoline: Crystal Structure of the Title Compound and Comparative Study with Related Derivatives
作者:S. G. Bubbly、S. B. Gudennavar、N. M. Nanje Gowda、Rita Bhattacharjee、V. Gayathri、S. Natarajan
DOI:10.1007/s10870-011-0243-z
日期:2012.4
with it. The structure was stabilized by intermolecular C–H–N interactions. A few of the related quinazolines (6-p-hydroxyphenyl-5,6-dihydrobenzoimidazo[1,2-c]quinazoline; 6-phenyl-5,6-dihydrobenzoimidazo[1,2-c]quinazoline; 6-pyridyl-5,6-dihydrobenzoimidazo[1,2-c]quinazoline; 6-furyl-5,6-dihydrobenzoimidazo[1,2-c]quinazoline) were also examined for their biological activity, in addition to their characterization
邻氨基苯基苯并咪唑与对二甲氨基苯甲醛反应生成 6-对二甲氨基苯基-5,6-二氢苯并咪唑并[1,2-c]喹唑啉,通过元素分析、IR、UV-Vis、1H NMR、13C NMR、质量光谱研究和 X 射线晶体结构分析。对该化合物抗菌活性的研究表明,它对真菌酵母菌具有活性,但对枯草芽孢杆菌无效。该化合物在空间群 P21/n 中结晶,晶胞参数 a = 10.652(2) Å, b = 11.002(2) Å, c = 15.753(2) Å, β = 109.29(2)°,结构为细化到 0.0479 的 R 因子。喹唑啉部分中的氢嘧啶环呈斜船构象。与苯环相连的二甲氨基与其共轭。结构通过分子间 C-H-N 相互作用稳定。