作者:M.K. Renuka、V. Gayathri
DOI:10.1016/j.jorganchem.2018.08.012
日期:2018.11
Novel, simple and efficient catalytic system based on a polymer supported Pd complex of 2,6-bis(benzimidazolyl)pyridine, Pd(PSBBP)Cl2, was found to be highly active for Suzuki–Miyaura cross-coupling of aryl halides with phenylboronic acids under mild conditions. The catalyst was characterized by CHN analyses, thermogravimetric analyses, BET surface area measurements, ICP-OES, FT-IR and electronic spectral
新型,简单,高效的催化体系基于2,6-双(苯并咪唑基)吡啶的Pd配合物Pd(PS BBP)Cl 2的聚合物负载复合物,对铃木-Miyaura卤化物与芳基卤的交叉偶联反应具有很高的活性。苯硼酸在温和的条件下。通过CHN分析,热重分析,BET表面积测量,ICP-OES,FT-IR和电子光谱研究对催化剂进行了表征。还研究了溶剂,碱,温度和催化剂浓度对碘代苯与苯基硼酸偶联反应的影响。可以容忍各种功能基团。可以容易地从反应混合物中回收新型催化剂,并且可以重复使用多达七次而不会显着降低催化活性。