[EN] TRANSITION METAL COMPLEXES, ESPECIALLY IRON COMPLEXES, USED AS A CATALYST COMPONENT IN THE POLYMERISATION OF OLEFINS [FR] COMPLEXES DE METAUX DE TRANSITION, EN PARTICULIER COMPLEXES DE FER, UTILISES EN TANT QUE CONSTITUANTS CATALYTIQUES DE POLYMERISATION D'OLEFINES
[EN] TRANSITION METAL COMPLEXES, ESPECIALLY IRON COMPLEXES, USED AS A CATALYST COMPONENT IN THE POLYMERISATION OF OLEFINS [FR] COMPLEXES DE METAUX DE TRANSITION, EN PARTICULIER COMPLEXES DE FER, UTILISES EN TANT QUE CONSTITUANTS CATALYTIQUES DE POLYMERISATION D'OLEFINES
Design of Highly Active Iron-Based Catalysts for Atom Transfer Radical Polymerization: Tridentate Salicylaldiminato Ligands Affording near Ideal Nernstian Behavior
作者:Rachel K. O'Reilly、Vernon C. Gibson、Andrew J. P. White、David J. Williams
DOI:10.1021/ja035458q
日期:2003.7.1
Iron(II) complexes bearing monoanionic tridentate salicyladiminato ligands are shown to be highly efficient catalysts for atom transfer radical polymerization (ATRP). Polymerization rates for styrene are among the highest reported for iron-mediated ATRP in nonpolar media, correlating well with E1/2 potentials and DeltaEp values for the complexes. The rigidity of the tridentate ligands, combined with ample space around the metal center to accommodate a halogen atom, we believe to be an important factor in the efficient ATRP behavior of these systems.