B. Glaser et H. Kunz, ENANTIOSELECTIVE ALLYLIC SUBSTITUTION USING A NOVEL (PHOSPHINO-ALPHA-D-GLUCOPYRANO-OXAZOLINE)PALLADIUM CATALYST, Synlett, (1), 1998, pp. 53
A novel enantiomerically pure 2-[2(diphenylphosphino)phenyl] -4,5-(2-d
eoxy-alpha-D-glucopyrano)-oxazoline ligand (6) was prepared from gluco
samine (1). The stereodifferentiating potential of the ligand 6 was de
monstrated in palladium-catalyzed intermolecular allylic substitutions
of symmetrically and non symmetrically substituted allyl acetates whi
ch give products in high yields and high enantioselectivity (up to 98
% ee).