We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Synthesis of a highly active amino‐functionalized Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>/APTS/Ru magnetic nanocomposite catalyst for hydrogenation reactions.
- Authors
Liu, Yue; Lv, Mingxin; Li, Lu; Yu, Hailong; Wu, Qiong; Pang, Jinhui; Liu, Yuxiang; Xie, Congxia; Yu, Shitao; Liu, Shiwei
- Abstract
An amino‐functionalized silica‐coated Fe3O4 nanocomposite (Fe3O4@SiO2/APTS) was synthesized. The Fe3O4@SiO2 microspheres possessed a well‐defined core–shell structure, uniform sizes and high magnetization. An immobilized ruthenium nanoparticle catalyst (Fe3O4@SiO2/APTS/Ru) was obtained after coordination and reduction of Ru3+ on the Fe3O4@SiO2/APTS nanocomposite. The Ru nanoparticles were not only ultra‐small with nearly monodisperse sizes but also had strong affinity with the surface of Fe3O4@SiO2/APTS. The obtained catalyst exhibited excellent catalytic performance for the hydrogenation of a variety of aromatic nitro compounds, even at room temperature. Moreover, Fe3O4@SiO2/APTS/Ru was easily recovered using a magnetic field and directly reused for at least five cycles without significant loss of its activity. Amine‐modified core–shell structure catalyst Fe3O4@SiO2/APTS/Ru nanocomposite were prepared. The Ru nanoparticles were not only ultra‐small with nearly monodisperse sizes but also had strong affinity with the surface of the amino‐functionalized Fe3O4@SiO2. Fe3O4@SiO2/APTS/Ru exhibits an excellent catalytic performance for the hydrogenation of a variety of aromatic nitro compounds. The catalyst was easily recovered by an external magnet and showed good reusability.
- Subjects
CATALYTIC hydrogenation; HYDROGENATION; NITRO compounds; CATALYST structure; CATALYSTS; RUTHENIUM catalysts
- Publication
Applied Organometallic Chemistry, 2019, Vol 33, Issue 4, pN.PAG
- ISSN
0268-2605
- Publication type
Article
- DOI
10.1002/aoc.4686