Pnicogen, halogen and hydrogen bonds in (E)-1-(2,2-dichloro-1-(2-nitrophenyl)vinyl)-2-(para-substituted phenyl)-diazenes
作者:Abel M. Maharramov、Namiq Q. Shikhaliyev、Gulnar T. Suleymanova、Atash V. Gurbanov、Gulnara V. Babayeva、Gunay Z. Mammadova、Fedor I. Zubkov、Valentine G. Nenajdenko、Kamran T. Mahmudov、Armando J.L. Pombeiro
DOI:10.1016/j.dyepig.2018.06.022
日期:2018.12
(para-substituted phenyl)hydrazine in the presence of CH3COONa in EtOH at 80 °C produces (E)-1-(para-substituted phenyl)-2-(2-nitrobenzylidene)hydrazines [−OCH3 (1), −CH3 (2), −H (3), −Br (4), −Cl (5), −F (6)]. CuCl catalyzed olefination of 1−6 with CCl4 in the presence of tetramethylethylenediamine (TMEDA) in DMSO leads to (E)-1-(2,2-dichloro-1-(2-nitrophenyl)vinyl)-2-(para-substituted phenyl)-diazenes [−OCH3
在CH 3 COONa存在下于80°C于CH3 COONa中将2-硝基苯甲醛与(对位取代的苯基)肼进行席夫碱缩合生成(E)-1-(对位取代的苯基)-2-(2-硝基亚苄基)肼[-OCH 3(1),-CH 3(2),-H(3),-Br(4),-Cl(5),-F(6)]。的CuCl催化烯化1 - 6与CCl 4在四甲基乙二胺在DMSO导致存在(TMEDA)(ë)-1-(2,2-二氯-1-(2-硝基苯基)乙烯基)-2-(对位取代的苯基)-二氮烯[分别为-OCH 3(7),-CH 3(8),-H(9),-Br(10),-Cl(11),-F(12)]。1 - 12进行了表征1 H和13个C NMR光谱,ESI-MS,元素和X射线衍射(对8,9和12)分析。的单晶X射线分析8,9和12证据分子内Ñ ⋯考虑到1,4-元合成子中涉及的四个原子的平面性,Cl pnicogen键显着增强。分子间卤素和氢键也有助