Synthesis, characterization and DFT study of a new family of pyrazole derivatives
作者:Rodrigo Faundez-Gutierrez、Desmond Macleod-Carey、Ximena Zarate、Carlos Bustos、Elies Molins、Eduardo Schott
DOI:10.1016/j.poly.2014.06.003
日期:2014.10
Abstract This work deals about the synthesis and characterization of compounds containing the pyrazole core belonging to the family of (E)-4-((3,5-dimethyl-1-(4-R-phenyl)-1H-pyrazol-4-yl)diazenyl)benzonitrile, with possible application as ligands in inorganic chemistry. These compounds were obtained by reaction of a substituted arylhydrazine, R C6H4 NHNH2, R: 4-OCH3, 4-CH3, 4-F, 4-H, 4-Cl, 4-CF3, 4-CN
摘要这项工作涉及含有(E)-4-((3,5-二甲基-1-(4-R-苯基)-1H-吡唑-4-基)二氮烯基)苄腈,可能在无机化学中用作配体。这些化合物是通过取代的芳基肼,R C6H4 NHNH2,R:4-OCH3、4-CH3、4-F,4-H,4-Cl,4-CF3、4-CN,3-Cl,3反应获得的-NO 2,2-Cl和全氟苯基肼,C 6 F 5 -NH 2 NH;用式(CH 3 CO)2 C N NH C6H 4 4-CN的β-二酮hydr前体。分析技术(MP和EA)和光谱方法(例如UV-Vis,IR,1H NMR,13C NMR)用于表征制备的系统。一种合成的化合物产生适合于X射线衍射研究的乙醇单晶。为了模拟所有涉及过渡的化合物和分子轨道,进行了DFT和TDDFT计算。键距的不变性表明,由R C6H4吡唑NN苄腈环形成的共轭结构的坚固性,受苯环上取代基变化的影响很小。