doi: 10.1039/c002208j.
Epub 2010 Apr 8.
Highly enantioselective Michael addition of malonates to beta,gamma-unsaturated alpha-ketoesters catalyzed by chiral N,N'-dioxide-Yttrium(III) complexes with convenient procedure
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- PMID: 20379595
- DOI: 10.1039/c002208j
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Highly enantioselective Michael addition of malonates to beta,gamma-unsaturated alpha-ketoesters catalyzed by chiral N,N'-dioxide-Yttrium(III) complexes with convenient procedure
Chem Commun (Camb).
.
Abstract
Highly enantioselective Michael addition of malonates to beta,gamma-unsaturated alpha-ketoesters has been promoted by chiral N,N'-dioxide-Yttrium(iii) complexes, providing the corresponding products in excellent yields with 94-99% ee values.
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