Halide ions as a highly efficient promoter in the Ru-catalyzed hydroesterification of alkenes and alkynes

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The presence of catalytic amounts of halide salts was found to enhance dramatically the reaction efficiency in the Ru-catalyzed hydroesterification of alkenes and alkynes using a chelating 2-pyridylmethyl formate by lowering the reaction temperature. On the basis of IR and NMR studies, the halide effect on the reaction is mainly attributed to the facile dissociation of the trirutheniumcarbonyl precursor into the presumed active metal species. With this milder condition, the substrate scope has been significantly broadened.
Publisher
AMER CHEMICAL SOC
Issue Date
2006-09
Language
English
Article Type
Article
Keywords

CARBON-MONOXIDE; INTRAMOLECULAR HYDROACYLATION; HOMOGENEOUS HYDROGENATION; RUTHENIUM CATALYSTS; IODIDE PROMOTERS; TERMINAL ALKYNES; METHYL FORMATE; COMPLEXES; RHODIUM; HYDROAMINATION

Citation

ORGANIC LETTERS, v.8, no.19, pp.4355 - 4358

ISSN
1523-7060
DOI
10.1021/ol061753e
URI
http://hdl.handle.net/10203/87901
Appears in Collection
CH-Journal Papers(저널논문)
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