Efficient rhodium and iridium-catalysed asymmetric transfer hydrogenation using water-soluble aminosulfonamide ligands
β Scribed by Tim Thorpe; John Blacker; Stephen M Brown; Christian Bubert; John Crosby; Steven Fitzjohn; James P Muxworthy; Jonathan M.J Williams
- Book ID
- 104230690
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- French
- Weight
- 62 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
A range of aromatic ketones was reduced asymmetrically under transfer hydrogenation conditions using enantiomerically pure catalysts derived from water-soluble diamine ligands and [Cp*MCl 2 ] 2 (Cp*=pentamethylcyclopentadienyl, M=Rh, Ir). High catalytic activity and enantioselectivity were observed in systems containing up to 51% water.
π SIMILAR VOLUMES
Water-soluble analogues of Noyori's (1S,2S)-N-(p-tolylsulfonyl)-1,2-diphenylethylenediamine and Knochel's (1R,2R)-N-(p-tolylsulfonyl)-1,2-diaminocyclohexane, containing an additional sulfonic acid group, have been synthesised. The ruthenium catalysed reduction of aromatic ketones using enantiomerica
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