Pq. Nguyen et Hj. Schafer, Enantioselective oxidative coupling of the titanium enolate of 3-phenylacetyl-2-oxazolidinone, ORG LETT, 3(19), 2001, pp. 2993-2995
[GRAPHICS]
Enantioselective oxidative coupling of titanium and ytterbium enolates of 1
bound to chiral diol, e.g., TADDOL 6, and bisoxazoline ligands with ferroc
enium cation as oxidant affords dimers 2 with moderate to good enantioselec
tivities.