9 research outputs found
Synthesis of magnetic Fe3O4@SiO2@CuâNiâFeâCr LDH: an efficient and reusable mesoporous catalyst for reduction and one-pot reductive-acetylation of nitroarenes
Copper(II)-Ethanolamine Triazine Complex on Chitosan-Functionalized Nanomaghemite for Catalytic Aerobic Oxidation of Benzylic Alcohols
Adamantylated trisimidazolium-based tritopic guests and their binding properties towards cucurbit[7]uril and ÎČ-cyclodextrin
Nano Fe/NaY zeolite: an efficient and reusable solid-supported catalyst for synthesis of 1-oxo-hexahydroxanthene and tetraketone derivatives
Bimetallic FeâAu Carbonyl Clusters Derived from Collmanâs Reagent: Synthesis, Structure and DFT Analysis of Fe(CO)4(AuNHC)2 and [Au3Fe2(CO)8(NHC)2]â
The reaction of the Collman's reagent Na2Fe(CO)(4) with two equivalents of Au(NHC)Cl (NHC = IMes, IPr, IBu) in thf results in the bimetallic Fe(CO)(4)(AuNHC)(2) (NHC = IMes, 2; IPr, 3; IBu, 4; IMes = C3N2H2(C6H2Me3)(2); IPr = C3N2H2(C6H (3) (i) Pr-2)(2); IBu = C3N2H2(CMe3)(2)) clusters in good yields. Heating 2 in dmf at 100 A degrees C results in the higher nuclearity cluster [Au3Fe2(CO)(8)(IMes)(2)](-) (5). 2-5 have been fully characterized via IR, H-1 and C-13 NMR spectroscopies and their structures determined by means of single crystal X-ray crystallography. Gas-phase DFT calculations were carried out on 2-5 and the model compound cis-Fe(CO)(4)(AuIDM)(2) (6) (IDM = C3N2H2Me2), in order to better understand the metal-metal and metal-ligand interactions in these compounds without the influence of packing forces