The Zn(II)/UCD-Imphanol-catalyzed highly -selective [3 + 2] asymmetric cycloaddition of acyclic enones and azomethine ylides has been developed. Moderate to high yields (up to 94%) with excellent / selectivities (99 : 1) and enantioselectivities up to 96.5 : 3.5 er were obtained.
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