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  • Title: Asymmetric synthesis of cis-5-substituted pyrrolidine 2-phosphonates using metal carbenoid NH insertion and delta-amino beta-ketophosphonates.
    Author: Davis FA, Wu Y, Xu H, Zhang J.
    Journal: Org Lett; 2004 Nov 25; 6(24):4523-5. PubMed ID: 15548066.
    Abstract:
    Cis-5-substituted pyrrolidine phosphonates, proline surrogates, are prepared by a highly stereoselective intramolecular metal carbenoid N-H insertion from a sulfinimine-derived delta-amino alpha-diazo beta-ketophosphonate. [reaction: see text]
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