A copper acetate/2-aminobenzenthiol complex supported on magnetite/silica nanoparticles as a highly active and recyclable catalyst for 1,2,3-triazole synthesis
作者:Abbas Ali Jafari、Hajar Mahmoudi、Habib Firouzabadi
DOI:10.1039/c5ra22909j
日期:——
for the one pot 1,2,3-triazole synthesis. The order of catalytic activity of the various transition metal salt complexes for a model reaction was found to be Cu(II) > AgI ∼ CuI > CuCl > Ni(OAc)2 ∼ Co(OAc)2 > ZnCl2. Moreover, the order of catalytic activity of Cu(II) salts supported on Fe3O4/SiO2 NPs was found to be Cu(OAc)2 > CuSO4 ≫ CuCl2 > Cu(NO3)2. The catalytic potential of the complex has been
固定在磁铁矿/二氧化硅纳米粒子(Fe 3 O 4 / SiO 2 NPs)上的新型且可回收的Cu(II)/ 2-氨基苯硫醇配合物通过末端炔烃的三组分缩合反应催化1,2,3-三唑衍生物的合成,在环境温度下,作为绿色介质的湿聚乙二醇(PEG 400 / H 2 O)中的苄基或烷基卤化物和叠氮化钠。Fe 3 O 4 / SiO 2上附着的某些过渡金属盐配合物的催化势一锅中1,2,3-三唑的合成采用NP(5-10 nm)。各种过渡金属盐络合物用于模型反应的催化活性的顺序被发现是Cu(II)>的AgI〜的CuI>的CuCl>的Ni(OAc)2〜的Co(OAC)2 >的ZnCl 2。此外,铜的催化活性的顺序(II支撑在铁)盐3 ö 4 /二氧化硅2个纳米粒被发现是Cu(OAc)2 >的CuSO 4 »的CuCl 2 >的Cu(NO 3)2。当使用核壳型磁铁矿/二氧化硅代替磁铁矿成功地在温和的反应条件下成功地广泛合成1-芳基-1