Abstract The deracemization by enantioselective protonation of silyl enol ethers was tested using 2, 2-dimethyl 5-phenyl 1, 3-dioxolan 4-one 1. The results obtained, especially with pantolactone as a chiral proton donor, are better than when the deracemization is carried out with the lithium enolate of 1.
[Visser, Ton J.; Van Waarde, Aren; Jansen, Twan J. H.; Visser, Gerben M.; Van Der Mark, Thom W.; Kraan, Jan; Ensing, Kees; Vaalburg, Willem Journal of Medicinal Chemistry, 1997 , vol. 40, # 1 p. 117 - 124]
