An enantioselective intramolecular indole aminohydroxylation reaction is catalyzed by iron(II)-chiral bisoxazoline (BOX) complexes (ee up to 99%, dr > 20:1). This discovery enables expedient asymmetric synthesis of a series of biologically active 3-amino oxindoles and 3-amino indolanes.
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http://dx.doi.org/10.1021/ol401666e | DOI Listing |
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