Three chiral nitrobenzaldehyde/Schiff base ligands (2a-c) were prepared by the reaction of ortho, meta, and para-NO2 substituted benzaldehydes (1a-c) with (1R,2R)-(-)-1,2-diaminocyclohexane. The structures of ligands 2a-c were characterized by IR, 1H-NMR, 13C-NMR and elemental analysis.
通过邻位、间位和对位
NO2 取代的
苯甲醛 (1a-c) 与 (1R,2R)-(-)-
1,2-二氨基环己烷反应制备了三种手性硝基
苯甲醛/希夫碱
配体 (2a-c)。通过IR、1H-NMR、13C-NMR和元素分析对
配体2a-c的结构进行了表征。