Asymmetric catalytic hydrogenation of α-ketoesters using new chiral Ru(II)(AMPP) complexes
✍ Scribed by Frédéric Hapiot; Francine Agbossou; André Mortreux
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 239 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0957-4166
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📜 SIMILAR VOLUMES
Readily available peralkyl aminophosphinephosphinite ligands (alkyl-AMPP\*) give neutral rhodium complexes active for the catalytic reduction of some activated ketones under atmospheric hydrogen pressure at ambient temperature (ee = 80 %). Asymmetric hydrogenation of ketones has been performed unde
Chiral ruthenium hydrides : HRuCl(TRPC)2 and H2Ru(TBPC)2 catalyse the hydrogenation of a-&unsaturated ketones to ketones (e.e. 62 X). Asymmetric hydrogenation of prochiral olefins in the presence of chiral rhodium catalyst 1 is now a useful preparative tool for many a-aminoacids
Optically active y-and d-lactones are obtained by the hydrogenation of five-and six-membered cyclic anhydrides using a Ru(I1) complex with chiral phosphine ligand, DIOP, as a catalyst. Catalytic asymmetric hydrogenation with transition metal complexes has stereoselective addition of a hydrogen molec