[EN] IRON BISPHENOLATE COMPLEXES AND METHODS OF USE AND SYNTHESIS THEREOF [FR] COMPLEXES BISPHÉNOLATES DE FER ET LEURS PROCÉDÉS D'UTILISATION ET DE SYNTHÈSE
Catalytic alkylation of arylGrignard reagents by iron(<scp>iii</scp>) amine-bis(phenolate) complexes
作者:Xin Qian、Louise N. Dawe、Christopher M. Kozak
DOI:10.1039/c0dt01239d
日期:——
[FeL2(μ-Cl)]2 (2) and [FeL3(μ-Cl)]2 (3). In the solid state, these complexes exist as chloride-bridged dimers giving distorted trigonal bipyramidal iron(III) ions. Reaction of H2L1 with FeBr3, however, results in the formation of a tetrahedral iron(III) complex possessing two bromide ligands. The amine-bis(phenolate) ligand is bidentate in this complex and bonds to the iron(III) ion via the phenolate O-donors
Aryl–secondary alkyl cross-coupling with aryl sulfonate esters as coupling partners remains a significant challenge. Efficient cross-coupling between aryl/alkenyl triflates and acyclicsecondary alkylboronic acids is realized for the first time to provide a series of sterically congested acyclicsecondary alkyl arenes/olefins in good to excellent yields. The employment of sterically bulky P,PO ligand L1/L2 is
[EN] IRON BISPHENOLATE COMPLEXES AND METHODS OF USE AND SYNTHESIS THEREOF<br/>[FR] COMPLEXES BISPHÉNOLATES DE FER ET LEURS PROCÉDÉS D'UTILISATION ET DE SYNTHÈSE
申请人:UNIV PRINCE EDWARD ISLAND
公开号:WO2013053046A1
公开(公告)日:2013-04-18
The present application, relates to iron bisphenolate complexes and methods of use and synthesis thereof. The iron complexes are prepared from tridentate or tetradentate ligands of Formula I: wherein R1 and R2 are as defined herein. Also provided are methods and processes of using the iron bisphenolate complexes as catalysts in cross-coupling reactions and in controlled radical polymerizations.