347-89-7Relevant academic research and scientific papers
Synthesis, characterization and derivatization of hydroxyl-functionalized iron(II) bis(NHC) complexes
Lindhorst, Anja C.,Kaspar, Manuel,Altmann, Philipp J.,P?thig, Alexander,Kühn, Fritz E.
, p. 1857 - 1867 (2018)
The syntheses of a novel hydroxyl-functionalized tetradentate NHC/pyridine hybrid ligand and the corresponding Ag(i) and Fe(ii) complexes are presented. Spectroscopic and X-ray diffraction techniques are used for structural investigations and cyclic voltammetry measurements reveal interesting electronic properties. Transmetalation of the trinuclear Ag(i) complex (C1) yields a mononuclear and a dinuclear iron(ii) bis(NHC) complex (C2 and C3), which can be separated by stepwise precipitation. The former is isostructural to iron(ii) bis(NHC) complex A, which is a versatile oxidation catalyst. Furthermore, suitable conditions for esterification reactions of the ligand precursor and iron(ii) bis(NHC) complex (C2) have been established, demonstrating the utility of the hydroxyl functionality for immobilization and derivatization purposes.
Synthesis of ferrocenyl thioketones and their reactions with diphenyldiazomethane
Mlostoń, Grzegorz,Hamera, Róza,Heimgartner, Heinz
, p. 2125 - 2133 (2015/12/23)
A series of ferrocenyl ketones were obtained via the Friedel-Crafts acylation with mixed anhydrides using ferrocene as a nucleophilic agent or ferrocene carboxylic acid as a precursor of the electrophilic species. The ketones obtained thereby undergo smooth thionation (tetrahydrofuran, 65°C) with Lawesson's reagent. The ferrocenyl thioketones react with diphenyldiazomethane via N2 elimination to afford the hitherto unknown ferrocenyl-substituted thiiranes.
Acylation of Ferrocene and a 1,1′-Diphosphaferrocene with Acyl Trifluoroacetates in the Presence of Trifluoromethanesulfonic (Triflic) Acid or Some Metal Triflates
Plazuk, Damian,Zakrzewski, Janusz
, p. 99 - 107 (2007/10/03)
Ferrocene and 3,3′,4,4′-tetramethyl-1,1′ -diphosphaferrocene undergo efficient acylation by acyl trifluoroacetates (prepared in situ from carboxylic acids and trifluoroacetic anhydride) in the presence of an excess of trifluoromethanesulfonic acid or cata
Catalysis by Palladium Salts. Part 2. Palladium-catalysed Carboxylation with Carbon Monoxide of Aromatic Compounds Working under Mild Conditions
Ugo, Renato,Chiesa, Anna
, p. 2625 - 2630 (2007/10/02)
The carboxylation with CO of aromatic C-H bonds, catalysed by palladium acetate, occurs with good yields and under mild conditions (1 atm of CO and 20-50 deg C), with trifluoroacetic acid as solvent and sodium acetate as co-catalyst.The reaction, which is
