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  • Title: Synthesis of Chiral Spiro-Aziridine Oxindoles via Aza-Corey-Chaykovsky Reaction of Isatin Derived N-tert-Butanesulfinyl Ketimines.
    Author: Hajra S, Aziz SM, Jana B, Mahish P, Das D.
    Journal: Org Lett; 2016 Feb 05; 18(3):532-5. PubMed ID: 26781920.
    Abstract:
    A general and direct strategy for the synthesis of chiral spiro-aziridine oxindoles has been developed via an aza-Corey-Chaykovsky reaction of isatin-derived N-tert-butanesulfinyl ketimines with excellent selectivity (dr = 98:2 to >99:1). The method is explored for the synthesis of chiral 3-substituted spiro-aziridine oxindoles with high (2S,3S)-selectivity over (2S,3R).
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