Efficient acylation of toluene and anisole with aliphatic carboxylic acids catalysed by heteropoly salt Cs2.5H0.5PW12O40
作者:Jaspal Kaur、Ivan V. Kozhevnikov
DOI:10.1039/b207915c
日期:2002.10.18
Heteropolysalt Cs2.5H0.5PW12O40 is a highly efficient and reusable solid acid catalyst for the liquid-phase acylation of toluene or anisole with C2 – C12 aliphatic carboxylic acids.
Catalytic Decarboxylative Cross-Ketonisation of Aryl- and Alkylcarboxylic Acids using Magnetite Nanoparticles
作者:Lukas J. Gooßen、Patrizia Mamone、Christoph Oppel
DOI:10.1002/adsc.201000429
日期:2011.1.10
In the presence of catalytic amounts of magnetite nanopowder, mixtures of aromatic and aliphatic carboxylic acids are converted selectively into the corresponding aryl alkyl ketones. As by‐products, only carbon dioxide and water are released. This catalytic cross‐ketonisation allows the regioselective acylation of aromatic systems and, thus, represents a sustainable alternative to Friedel–Crafts acylations