Synthesis of a new Pd(0)-complex supported on boehmite nanoparticles and study of its catalytic activity for Suzuki and Heck reactions in H<sub>2</sub>O or PEG
synthesized nanoparticles were characterized using FT-IR, XRD, BET, TGA, TEM, SEM, EDS and ICP-OES techniques. Nitrogen adsorption/desorption measurements indicated that the boehmite nanoparticles have a BET surface area of about 122.8 m2 g−1. This heterogeneous nanocatalyst was easily separated from the reaction mixture and reused for several consecutive runs without significant loss of its catalytic efficiency
勃姆石纳米颗粒是在其表面附着有羟基的氢氧化铝氢氧化铝的立方正交结构,其是使用市售材料在水中制备的。使用市售材料,使用非常简单且廉价的方法,无需惰性气氛,即可制备负载在勃姆石纳米颗粒(Pd(0)-SMTU-勃姆石)上的湿气和空气稳定的钯S-甲基异硫脲复合物。该纳米结构化合物用作H 2中的Suzuki和Heck反应的优良有机金属催化剂O或PEG-400。使用FT-IR,XRD,BET,TGA,TEM,SEM,EDS和ICP-OES技术对合成的纳米颗粒进行表征。氮吸附/解吸测量表明,勃姆石纳米颗粒具有约122.8m 2 g -1的BET表面积。这种非均相纳米催化剂很容易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效率或钯的浸出。使用热过滤和ICP-OES技术检查了钯从催化剂中的浸出。
Pd(0)-Arg-boehmite: As Reusable and Efficient Nanocatalyst in Suzuki and Heck Reactions
作者:Bahman Tahmasbi、Arash Ghorbani-Choghamarani
DOI:10.1007/s10562-016-1927-y
日期:2017.3
AbstractThe direct supporting of Pd-arginine complex on boehmite nanoparticles (Pd(0)-Arg-boehmite) was reported as a moisture- and air-stable, heterogeneous, excellent and novel organometallic catalyst, which applied for the Suzuki and Heck cross coupling reactions through coupling of phenylboronic acid, 3,4-difluoro phenylboronic acid, sodium tetraphenyl borate, butyl acrylate, methyl acrylate, acrylonitrile
Catalytic Performance Studies of New Pd and Pt Schiff Base Complexes Covalently Immobilized on Magnetite Nanoparticles as the Environmentally Friendly and Magnetically Recoverable Nanocatalyst in C–C Cross Coupling Reactions
作者:G. Rezaei、A. Naghipour、A. Fakhri
DOI:10.1007/s10562-017-2270-7
日期:2018.2
Synthesis and characterization of new magnetically recoverable and high-performance nanocatalysts of Pd and Pt Schiff base complexes on magnetite nanoparticles were considered. Catalytic activity of these nanocatalysts was explored in Suzuki and Heckcrosscouplingreactions. The catalysts can be easily reused fourth consecutive runs without significant loss of catalytic efficiency.Graphical Abstract
Anchored complexes of Ni, Pt, and Pd on Fe<sub>3</sub>O<sub>4</sub>nanoparticles as new and eco-friendly nanocatalysts in Suzuki and Heck coupling reactions
作者:Gisa Rezaie、Ali Naghipour、Akram Fakhri
DOI:10.1080/00958972.2018.1502424
日期:2018.9.17
nanocatalysts in Suzuki and Heck reactions implicated that in the presence of Pd nanocatalyst coupling reactions proceeded efficiently. For Pt nanocatalyst, Suzuki reaction took place in longer time with moderate to good yield. For the Heck reaction, the desired products were achieved only for aryl iodide and some arylbromides. The Ni nanocatalyst could just catalyze the Suzuki reaction. Relying on the magnetic
Organometallic polymer-functionalized Fe3O4 nanoparticles as a highly efficient and eco-friendly nanocatalyst for C–C bond formation
作者:Akram Fakhri、Ali Naghipour
DOI:10.1007/s11243-018-0233-5
日期:2018.8
A magneticallyrecoverable biopolymer-based nanocatalyst was prepared through the covalent immobilization of a chitosan-bound 2-hydroxynaphthaldehyde Pd complex on the surface of superparamagneticnanoparticles. The nanocatalyst was characterized by FTIR, X-ray powder diffraction and scanning electron microscopy, revealing an average particle size of 70 nm. The catalyst shows high thermostability by