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N-烷(芳)基苯甲酰胺与氯化亚砜作用后,在三乙胺存在下与芳伯胺或脂肪伯胺反应,方便、高产率地得到了6个N,N′-烷基或芳基苯甲脒;然后将其作为配体应用于铜催化的碘苯与二苯胺的偶联反应中,该类配体显示出了良好的活性,其中N-苯基-N′-叔丁基苯甲脒(L6)的活性最高,产率达到96%;不同取代的碘代芳烃和含有吸电子或供电子基团的二苯胺用这一催化体系进行底物扩展,均能以很高的产率得到偶联产物。将这一催化体系应用于OLED(Organic LightEmitting Diode)的空穴传输材料N,N,N′,N′-四苯基联苯二胺(TPB)及其溴代的衍生物的合成中,分别以77%和70%的产率得到目标产物。
After the reaction of N-alkylarylbenzamide with thionyl chloride, with primary amines or primary aliphatic amines in the presence of triethylamine, six N, N’-alkyl or Arylbenzamidine; which is then used as a ligand in the coupling reaction of copper-catalyzed iodobenzene with diphenylamine, which shows good activity, wherein N-phenyl-N’-tert-butyl Benzamidine (L6) had the highest activity with a yield of 96%. Different substituted iodoaromatic compounds and diphenylamines containing electron-withdrawing or electron-donating groups could be extended with this catalytic system with high Yield of the coupling product. The catalytic system was applied to the synthesis of hole transport materials N, N, N ’, N’-tetraphenylbiphenylenediamine (TPB) and brominated derivatives of Organic Light Emitting Diode The target product was obtained in 77% and 70% yield.