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  • Title: Highly efficient copper-catalyzed domino ring opening and Goldberg coupling cyclization for the synthesis of 3,4-dihydro-2H-1,4-benzoxazines.
    Author: Rao RK, Naidu AB, Sekar G.
    Journal: Org Lett; 2009 May 07; 11(9):1923-6. PubMed ID: 19341265.
    Abstract:
    trans-3,4-Dihydro-2H-1,4-benzoxazine moieties can be synthesized by domino aziridine ring opening with o-iodophenols followed by the copper-catalyzed Goldberg coupling cyclization (intramolecular C(aryl)-N(amide) bond formation) with good to excellent yields.
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