Malkov Andrei V, Friscourt Frédéric, Bell Mark, Swarbrick Martin E, Kocovský Pavel
Department of Chemistry, WestChem, University of Glasgow, Glasgow, Scotland, U.K.
J Org Chem. 2008 Jun 6;73(11):3996-4003. doi: 10.1021/jo800246g. Epub 2008 May 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 (< or =81% ee).
对称环丁酮1a - j与脲过氧化氢(UHP)的不对称拜耳 - 维利格反应可由钯(II)与新型萜烯衍生的P,N - 配体7形成的配合物催化。所得内酯2a - j的产率高且对映选择性良好(对映体过量值≤81%)。