Polymer supported N-heterocyclic carbene ruthenium complex catalyzed transfer hydrogenation of ketones
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چکیده
منابع مشابه
Ligand-controlled highly regioselective and asymmetric hydrogenation of quinoxalines catalyzed by ruthenium N-heterocyclic carbene complexes.
Optically active six-membered rings such as cyclohexanes and piperidines play an important role as biologically active building blocks and key intermediates in organic chemistry. Catalytic asymmetric hydrogenation of aromatic and heteroaromatic compounds is one of themost straightforward routes for the formation of these saturated or partially saturated molecules. Recently, tremendous progress ...
متن کاملTransfer hydrogenation of unfunctionalised alkenes using N-heterocyclic carbene ruthenium catalyst precursors.
Transfer hydrogenation of unfunctionalised and aliphatic alkenes in iPrOH/KOH is efficiently catalysed by an olefin-tethered N-heterocyclic carbene ruthenium complex, which also catalyses double bond migration as a competitive and considerably faster process.
متن کاملRuthenium Catalyzed Transfer Hydrogenation
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متن کاملTransfer hydrogenation promoted by N-heterocyclic carbene and water.
N-Heterocyclic carbenes (NHCs) promote the transfer hydrogenation of various activated C=C, C=N, and N=N bonds with water as the proton source. The NHCs act as reducing reagents to be converted into their oxides. A detailed reaction mechanism is proposed on the basis of deuterium-labeling experiments.
متن کاملDehydrogenative Coupling of Primary Alcohols To Form Esters Catalyzed by a Ruthenium N-Heterocyclic Carbene Complex
The ruthenium complex [RuCl2(IiPr)(p-cymene)] catalyzes the direct condensation of primary alcohols into esters and lactones with the release of hydrogen gas. The reaction is most effective with linear aliphatic alcohols and 1,4diols and is believed to proceed with a ruthenium dihydride as the catalytically active species. ■ INTRODUCTION T synthesis of an ester is one of the most fundamental tr...
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ژورنال
عنوان ژورنال: Catalysis Communications
سال: 2020
ISSN: 1566-7367
DOI: 10.1016/j.catcom.2019.105924