期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 353, 期 6, 页码 995-1004出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201000953
关键词
asymmetric catalysis; Diels-Alder reaction; ionic liquids; Mukaiyama-aldol reaction; supported catalysts
资金
- EU [HPMT-GH-00-00147-03]
- EPSRC
A series of bis(oxazoline) metal(II) complexes has been supported on silica and carbon supports by non-covalent immobilisation using an ionic liquid. The catalytic performance of these solids was compared for the enantioselective Diels-Alder reaction between N-acryloyloxazolidinone and cyclopentadiene and the Mukaiyama-aldol reaction between methyl pyruvate and 1-methoxy-1-trimethylsilyloxy-propene. In both reactions the enantioselectivity was strongly influenced by the choice of support displaying enantioselectivies (ee values) up to 40% higher than those conducted under homogeneous reaction conditions.
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