Nonlinear Effects in Rh-Catalyzed Asymmetric Olefin Hydrogenation Using Mixtures of Chiral Monodentate P Ligands
โ Scribed by Manfred T. Reetz; Yu Fu; Andreas Meiswinkel
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 254 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
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## Abstract For Abstract see ChemInform Abstract in Full Text.
## Abstract For Abstract see ChemInform Abstract in Full Text.
Several years ago it was reported that monodentate phosphites, [1] phosphonites, [2] and phosphoramidites [3] derived from 2,2'-dihydroxy-1,1'-binaphthyl (BINOL) are efficient ligands in various Rh-catalyzed asymmetric olefin-hydrogenation reactions (90-99 % ee). These observations were surprising,
## Abstract Six chiral monodentate ligands combining a 1,3โdioxaโ2โphosphacycloheptadinaphthyl moiety [(__R__)โ or (__S__)โbinoP] either with a phenylalanineโ or with an alanineโderived fragment were synthesised. The new phosphoramidites are all relatively air stable. Related compounds in which the