Gold Catalysis: In Situ EXAFS Study of Homogeneous Oxidative Esterification
作者:A. Stephen K. Hashmi、Christian Lothschütz、Martin Ackermann、René Doepp、Sankaran Anantharaman、Benjamin Marchetti、Helmut Bertagnolli、Frank Rominger
DOI:10.1002/chem.200903450
日期:2010.7.19
Gold complexes were prepared and investigated as catalysts for the oxidativeesterification of aldehydes. Stabilisation by pyridine ligands gave good conversions and the in situ extended X‐ray absorption fine structure (EXAFS) study of the reactions indicated that the reaction mixtures contained only mononuclear gold species. Thus, this is the first proof for a homogeneousgold‐catalysed oxidation
Rhodium-catalyzed synthesis of esters from aryl iodides and alcohols: use of alcohols with/without the assistance of aldehydes as carbon monoxide and nucleophile sources
作者:Ju Hyun Kim、Hawon Park、Young Keun Chung
DOI:10.1039/c6ra25723b
日期:——
A CO-gas-free rhodium-catalyzed alkoxycarbonylation of aryl iodide with alcohols has been developed. Alcohols, with/without the aid of an aldehyde, were used as a carbon monoxide and nucleophile source. The former synthesis afforded better yields of the alkoxycarbonylated products. Moreover, phenols also afforded phenoxycarbonylation products with high yields.