Chiral Phosphine Oxide–Sc(OTf)<sub>3</sub> Complex Catalyzed Enantioselective Bromoaminocyclization of 2‑Benzofuranylmethyl <i>N</i>‑Tosylcarbamates. Approach to a Novel Class of Optically Active Spiro Compounds
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An efficient enantioselective bromoaminocyclization of 2-benzofuranylmethyl N-tosylcarbamates catalyzed by a chiral phosphine oxide–Sc(OTf)3 complex is described. A wide variety of optically active spiro benzofuran oxazolidinones can be obtained with high enantioselectivities.
创建时间：
2016-02-12
