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Merck
  • Highly enantioselective nitrone cycloadditions with 2-alkenoyl pyridine N-oxides catalyzed by Cu(II)-BOX complexes.

Highly enantioselective nitrone cycloadditions with 2-alkenoyl pyridine N-oxides catalyzed by Cu(II)-BOX complexes.

Organic letters (2010-12-24)
Santiago Barroso, Gonzalo Blay, M Carmen Muñoz, José R Pedro
摘要

Enantioselective nitrone cycloadditions with 2-alkenoyl pyridine N-oxides as dipolarophiles have been reported. The reaction is catalyzed by Cu(II)-BOX complexes to give the expected isoxazolidine products with high diastereo- and enantioselectivity.

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Sigma-Aldrich
吡啶 N-氧化物, 95%