Ruthenium/1,1’-Bis(diphenylphosphino)ferrocene-Catalysed Oppenauer Oxidation of Alcohols
strate (2 mmol) in MIBK (10 mL), the analytical standard
(dodecane, 100 mL), anhydrous K2CO3 (55.3 mg, 0.4 mmol)
and finally excess solvent (MIBK, 15 mL) were added to the
preformed catalyst. The Schlenk flask was equipped with
a condenser and the reaction mixture was put in a preheated
oil bath (1408C) and refluxed for 30 min. After cooling to
room temperature, the conversion was checked by GC, the
reaction mixture was filtered through a plug of silica, con-
centrated and purified by bulb-to-bulb distillation or column
chromatography. For the products purified by bulb-to-bulb
distillation, the reaction was carried on a 5 mmol scale. The
products were identified by comparison of their NMR data
with those of authentic samples.
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Acknowledgements
We would like to thank ACTS-ASPECT for providing
a grant to this research (ASPECT Project 053.62.017), and
Rudy Parton, Rob Meier (DSM), Peter Witte, Peter Berben
(BASF), Annemarie Beers (Norit), Jean Paul Lange (Shell),
and Bart Zwijnenburg (Johnson Matthey) for helpful discus-
sions. We are also grateful to CATCHBIO for the support of
C.M.N. funded by the Smart Mix Program of the Dutch Min-
istry of Economic Affairs and the Dutch Ministry of Educa-
tion, Culture and Science, DSM, Organon, and Avantium.
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