A Novel Class of Ferrocenyl-Aryl-Based D
β
Thomas Sturm; Walter Weissensteiner; Felix Spindler
π
Article
π
2003
π
John Wiley and Sons
π
English
β 122 KB
π 1 views
## Abstract A series of diphosphines of the novel Walphos ligand family all based on a phenylferrocenylethyl backbone were synthesised in a fourβstep sequence. In the rhodiumβ or rutheniumβcatalysed asymmetric hydrogenation of olefins and ketones enantioselectivities of up to 95% and 97%, respectiv