期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2015, 期 32, 页码 7122-7130出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201501113
关键词
Synthetic methods; Process development; Homogeneous catalysis; Palladium; C1 building blocks; High-pressure chemistry
资金
- Ruprecht Karls University of Heidelberg
- BASF SE, Ludwigshafen, Germany
The synthesis of sodium acrylate through catalytic carboxylation of ethylene with CO2 in the presence of a base is a reaction of high interest. To develop a more efficient and sustainable method to access this valuable acrylate monomer, we optimized the system in a one-step homogeneous nickel- or palladium-catalyzed reaction, without the need for stoichiometric amounts of an additional reducing agent. Suitable nontoxic solvents such as anisole instead of the previously reported tetrahydrofuran or chlorobenzene were found to lead to acrylate formation. In combination with appropriate phenolate bases, this could allow a rational process concept for a simple catalyst recycling, product separation, and base regeneration.
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