dehyde (L1: HPDB) ligand was synthesized and bound to silica gel, which was activated with 3-aminopropyltriethoxysilane. Cu(II), Co(II), Ni(II), and Mn(II) complexes of silica-supported ligand (L2: MDPMP) were synthesized. A buffer (pH = 12) was used for a coupling reaction of diazonium electrophile to salicylaldehyde. The ligand and its complexes were characterized by using NMR, FT-MIR/FAR, elemental analysis
合成了新型的2-羟基-5-((2-羟基苯基)
二氮烯基)
苯甲醛(L 1:HPDB)
配体,并将其与
硅胶结合,然后将其用3-
氨丙基三乙氧基
硅烷活化。合成了
二氧化硅负载的
配体(L 2:MD
PMP)的Cu(II),Co(II),Ni(II)和Mn(II)配合物。缓冲液(pH = 12)用于重氮亲电子试剂与
水杨醛的偶联反应。通过使用NMR,FT-MIR / FAR,元素分析,ICP-OES,TGA和扫描电子显微镜对
配体及其配合物进行表征。研究了该配合物在微波功率下对
环己烷选择性氧化的催化性能。
二氧化硅支撑的L 2-Cu(II)配合物对
环己烷氧化为
环己醇和
环己酮具有良好的选择性催化活性,产率为8.40%和3.77%,转化率为48.43%。