Enantioselective Baeyer–Villiger Oxidation Catalyzed by Palladium(II) Complexes with Chiral <i>P,N</i>-Ligands
作者:Andrei V. Malkov、Frédéric Friscourt、Mark Bell、Martin E. Swarbrick、Pavel Kočovský
DOI:10.1021/jo800246g
日期:2008.6.1
Asymmetric Baeyer–Villiger reaction of symmetrical cyclobutanones 1a−j with urea−hydrogen peroxide (UHP) can be catalyzed by a complex of Pd(II) and the new terpene-derived P,N-ligand 7. The resulting lactones 2a−j were obtained in high yields and with good enantioselectivity (≤81% ee).