Palladium Complexes with N-Heterocyclic Carbene Ligands As Catalysts for the Alkoxycarbonylation of Olefins | Zendy

Gina M. Roberts | Zendy; Philip J. Pierce | Zendy; L. Keith Woo | Zendy

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Palladium Complexes with N-Heterocyclic Carbene Ligands As Catalysts for the Alkoxycarbonylation of Olefins

Author(s) -

Gina M. Roberts,

Philip J. Pierce,

L. Keith Woo

Publication year - 2013

Publication title -

organometallics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.231

H-Index - 172

eISSN - 1520-6041

pISSN - 0276-7333

DOI - 10.1021/om300959f

Subject(s) - chemistry , catalysis , palladium , dimethylacetamide , iodide , carbene , organic chemistry , ethanol , medicinal chemistry , solvent

Palladium catalysts, generated from Pd(OAc)2 and 2 equiv of N,N-dialkylbenzimidazolium iodide, are effective for the alkoxycarbonylation of olefins in high yields (>90%). Alkoxycarbonylation of 1-hexene in dimethylacetamide is achieved within 24 h at 110 °C using 1 mol % catalyst, 1000 psi CO, and ethanol. Reactions can be prepared in air, without the need of an acid additive to produce ethyl 2-methylhexanoate and ethyl heptanoate in approximately a 2:1 ratio.

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