Journal
GREEN CHEMISTRY
Volume 11, Issue 11, Pages 1871-1875Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b913115a
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Funding
- CNRS
- French Ministry of Research
- European Network IDECAT (NOE) [NMP3-CT-2005-011730]
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The ruthenium catalysed direct functionalisation of arene C-H bonds by aryl halides is reported. Reactions were performed in diethyl carbonate (DEC) instead of N-methylpyrrolidone (NMP), the solvent of choice used in most ruthenium catalysed C-H bond transformations. The use of diethyl carbonate facilitates the workup procedure thus reducing the amount of waste water. The slight loss of activity due to the use of diethyl carbonate is counterbalanced by the improvement of the catalyst efficiency achieved by a judicious choice of additives. Several arenes containing an N-heterocycle as a directing group have been diarylated.
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