1.
Chem Commun (Camb)
; (44): 6753-5, 2009 Nov 28.
Article
in English
| MEDLINE
| ID: mdl-19885468
ABSTRACT
Quinidine derivative (QD)(2)PYR was found to catalyze the asymmetric direct amination of unprotected prochiral 3-oxindole with DIAD to construct quaternary stereocenters at the C3 position with excellent enantioselectivity.