Gj. Dawson et al., ENANTIOSELECTIVE SYNTHESIS OF SUCCINIC ACIDS AND GAMMA-LACTONES VIA PALLADIUM-CATALYZED ALLYLIC SUBSTITUTION-REACTIONS, Tetrahedron : asymmetry, 6(10), 1995, pp. 2535-2546
The palladium catalysed reaction between nan-symmetrical allyl acetate
s and sodiodimethylmalonate proceeds in high yields and enantioselecti
vities (up to 99% ee) using a diphenylphosphinoaryl oxazoline ligand.
The so-formed substitution products are transformed into enantiomerica
lly enriched succinic acids and also into enantiomerically enriched ga
mma-lactones.