Naphthyl-substituted bisoxazoline and pyridylbisoxazoline–copper(I) catalysts for asymmetric allylic oxidation
作者:Ziniu Zhou、Merritt B. Andrus
DOI:10.1016/j.tetlet.2012.06.010
日期:2012.8
The synthesis of naphthyl substituted malonyl-derived and pyridine-based bisoxazolines and their applications in the asymmetricallylicoxidation of cyclohexene with t-butyl p-nitroperbenzoate have been performed with much improved reactivity (75% yield) while maintaining very good enantioselectivity (85% ee). A 1-naphthyl group as the side chain of the oxazoline ligand was found to be optimal. Correlations