By István T. Horváth, Ferenc Joó
Within the final 15 years aqueous organometallic chemistry and catalysis has emerged from being a laboratory interest to turn into a longtime box of analysis. issues reviewed the following comprise mechanistic reports at the influence of water on catalyzed reactions, the practise of water soluble phosphines as ligands for catalysis, steel catalyzed natural reactions in water (hydrogenation, hydroformylation, carbonylation, olefin metathesis, hydrophosphination, etc.), chiral ligands and enantioselective catalysis, organometallic radical photochemistry in aqueous recommendations, bioorganometallic chemistry, organometallic reactions of biopolymers, and catalytic amendment of biomembranes. The precis of modern effects is supplemented by means of an overview of possible destiny learn developments.
Audience: Researchers in either academia and undefined, in addition to graduate scholars of homogeneous catalysis.
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Extra info for Aqueous Organometallic Chemistry and Catalysis
Chern. A31(11), 1829-1833. AQUEOUS ORGANOMETALLIC CHEMISTRY. EFFECTS OF A REACTIVE SOLVENT F. JOO, L. NADASDI, A. BENYEI, P. CSIBA and A. KATHO Institute of Physical Chemistry, Lajos Kossuth University Debrecen 10, P. O. Box 7, H-4010 Hungary 1. Introduction In aqueous organometallic chemistry water is often considered solely as a solvent. However, there are several examples when such an assumption is not justified . Water is a strongly coordinating, polar solvent, capable of assisting reactions yielding polar or charged (ionic) products.
Water-Soluble Organometallic Iridium Amine Complexes In viewing these attempts to move the organometallic chemistry and catalysis of iridium into aqueous solutions, it seems that we are moving to bridge the gap between classical, Werner types of inorganic compounds and the organometallic compounds which have been studied more recently. To bridge that gap even further, it seemed as though organometallic complexes of iridium with amine ligands would be interesting targets. To make a direct analog of the dmpe complex,12, reaction between [Ir(COD)Clh and tetramethylethylenediamine (tmed) was studied.
In addition to their versatility, two other features make the 19electron complexes ideal choices as reducing agents for many applications. First, the complexes are easy to generate: the metal-metal bonded dimers are convenient precursors and the wavelength of irradiation (A. > 500 nm) generally precludes substrate absorption. Second, the 19-electron complexes are powerful reducing agents. In some cases, we estimate their oxidation potential to be 2 V or higher. 17 e(Cp =T\5-CsHs) CpFe(COhPR3 + S - -...