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  • Title: [3 + 2]-Cycloadditions of Azomethine Imines and Ynolates.
    Author: Winterton SE, Ready JM.
    Journal: Org Lett; 2016 Jun 03; 18(11):2608-11. PubMed ID: 27218461.
    Abstract:
    A novel [3 + 2]-cycloaddition between azomethine imines and lithium ynolates is described to synthesize bicyclic pyrazolidinones. These bicyclic pyrazolidinones are versatile intermediates to form β-amino acids and monocyclic pyrazolidinones. High diastereoselectivity and stereospecificity allow access to optically active products.
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