1.
Chem Commun (Camb)
; 47(27): 7869-71, 2011 Jul 21.
Article
in English
| MEDLINE
| ID: mdl-21637890
ABSTRACT
Chiral carbohydrate-based diphosphites were used for Pd-catalysed asymmetric allylic substitution (alkylation, amination, phosphination) in neat ionic liquids (ILs). Pyrrolidinium-based IL led to the best activities, allowing an efficient catalyst immobilization. In the allylic amination (TOF > 3100 h(-1)), the catalyst could be recycled nine times preserving both activity and enantioselectivity.