TY - JOUR
T1 - Nano-magnetite (Fe3O4) as a support for recyclable catalysts in the development of sustainable methodologies
AU - Branco, Paula Cristina de Sério
N1 - o pdf não está conforme despacho
PY - 2013/1/1
Y1 - 2013/1/1
N2 - Surface functionalization of nano-magnetic nanoparticles is a well-designed way to bridge the gap between heterogeneous and homogeneous catalysis. The introduction of magnetic nanoparticles (MNPs) in a variety of solid matrices allows the combination of well-known procedures for catalyst heterogenization with techniques for magnetic separation. Magnetite is a well-known material, also known as ferrite (Fe3O4), and can be used as a versatile support for functionalization of metals, organocatalysts, N-heterocyclic carbenes, and chiral catalysts. It is used as a support for important homogeneous catalytically active metals such as Pd, Pt, Cu, Ni, Co, Ir, etc. to obtain stable and magnetically recyclable heterogeneous catalysts. Homogeneous organocatalysts can be successfully decorated with linkers/ligands on the surface of magnetite or alternatively the organocatalysts can be directly immobilized on the surface of magnetite. The functionalized magnetically retrievable catalysts or nanocatalysts that are increasingly being used in catalysis, green chemistry and pharmaceutically significant reactions are summarized in this review.
AB - Surface functionalization of nano-magnetic nanoparticles is a well-designed way to bridge the gap between heterogeneous and homogeneous catalysis. The introduction of magnetic nanoparticles (MNPs) in a variety of solid matrices allows the combination of well-known procedures for catalyst heterogenization with techniques for magnetic separation. Magnetite is a well-known material, also known as ferrite (Fe3O4), and can be used as a versatile support for functionalization of metals, organocatalysts, N-heterocyclic carbenes, and chiral catalysts. It is used as a support for important homogeneous catalytically active metals such as Pd, Pt, Cu, Ni, Co, Ir, etc. to obtain stable and magnetically recyclable heterogeneous catalysts. Homogeneous organocatalysts can be successfully decorated with linkers/ligands on the surface of magnetite or alternatively the organocatalysts can be directly immobilized on the surface of magnetite. The functionalized magnetically retrievable catalysts or nanocatalysts that are increasingly being used in catalysis, green chemistry and pharmaceutically significant reactions are summarized in this review.
KW - HYDROGENATION REACTIONS
KW - SOLVENT-FREE CONDITIONS
KW - CARBONYL-COMPOUNDS
KW - ASSISTED ORGANIC-SYNTHESIS
KW - AQUEOUS MICELLAR MEDIA
KW - HETEROGENEOUS CATALYSIS
KW - COUPLING REACTIONS
KW - N-HETEROCYCLIC CARBENES
KW - PALLADIUM NANOPARTICLES
KW - ROOM-TEMPERATURE
U2 - 10.1039/c3cs35480f
DO - 10.1039/c3cs35480f
M3 - Article
C2 - 23420127
SN - 0306-0012
VL - 42
SP - 3371
EP - 3393
JO - Chemical Society Reviews
JF - Chemical Society Reviews
IS - 8
ER -