Phosphine Oxide–Sc(OTf)<sub>3</sub> Catalyzed Highly Regio- and Enantioselective Bromoaminocyclization of (<i>E</i>)‑Cinnamyl Tosylcarbamates. An Approach to a Class of Synthetically Versatile Functionalized Molecules
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A highly regio- and enantioselective bromoaminocyclization of (E)-cinnamyl tosylcarbamates catalyzed by a chiral phosphine oxide–Sc(OTf)3 complex is described. A wide variety of optically active aryl 5-bromo-1,3-oxazinan-2-ones can be obtained with high yield and enantioselectivity.
创建时间：
2016-02-19
