Synthesis and characterization of N-hydroxyphthalimide immobilized on SiO2-coated Fe3O4 nanoparticles as magnetic catalyst for oxidation of benzyl alcohols and hydrocarbons
作者:Rahman Hosseinzadeh、Mohammad Mavvaji、Mahmood Tajbakhsh、Zahra Lasemi
DOI:10.1007/s13738-017-1288-5
日期:2018.4
successfully attached on functionalized SiO2-coated Fe3O4 nanoparticles through amid bond. The sustained nanomagnetite-immobilized NHPI as a new magnetically recoverable catalyst was characterized by FT-IR, XRD, TGA, VSM, TEM and SEM techniques. The prepared catalyst exhibited high selectivity for oxidation of various benzyl alcohols and hydrocarbons in the presence of hydrogen peroxide as oxidant. The catalyst
在这项研究中,N-羟基邻苯二甲酰亚胺(NHPI)通过酰胺键成功地附着在功能化的SiO 2包覆的Fe 3 O 4纳米颗粒上。通过FT-IR,XRD,TGA,VSM,TEM和SEM技术对作为新型磁性可回收催化剂的纳米磁铁矿持续固定化进行了表征。制备的催化剂在过氧化氢作为氧化剂的存在下对各种苄醇和烃的氧化显示出高选择性。使用外部磁体可以很容易地将催化剂从反应混合物中分离出来并重复使用数次,而不会显着降低其催化活性。