C2-Symmetric bimorpholines as chiral ligands in the asymmetric hydrogenation of ketones
✍ Scribed by Kadri Kriis; Tõnis Kanger; Aleksander-Mati Müürisepp; Margus Lopp
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 112 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0957-4166
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✦ Synopsis
Bimorpholine and 3,3%-bimorpholine were used as chiral ligands in Rh-mediated asymmetric hydride transfer reduction of prochiral aromatic ketones affording corresponding alcohols with good ee (up to 75%).
📜 SIMILAR VOLUMES
LaWi de Chimie des Organo&lhnu. tour 45. Universite P. et M. Curie, 4 place Jussieu F-75252 his CEDEX OS. ## Abdnet The catalytic enanlioseleftive reduction of various pochiral ketones is reported using C2-symmehic diamioes as lip&. Up to 99a; e.e. at 100% conversion are obtained.
The catalytic asymmelxic reduction of prochiral ketones by hydride transfer using various C2 symmelric chiral diamines as ligands and rhodium complexes is studied. Kinetic studies show an increase of the enantiomeric excess with the conversion. Nitrogen containing ligands are more and more used in
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