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  • Title: Silver triflate catalyzed reaction of 2-alkynylbenzaldoxime with aryne.
    Author: Ren H, Luo Y, Ye S, Wu J.
    Journal: Org Lett; 2011 May 20; 13(10):2552-5. PubMed ID: 21456516.
    Abstract:
    A novel and unexpected reaction of 2-alkynylbenzaldoxime with aryne in the presence of silver triflate (10 mol %) under mild conditions is discovered. This reaction proceeds through 6-endo-cyclization, [3 + 2] cycloaddition, and rearrangement, leading to 2-oxa-6-aza-bicyclo[3.2.2]nona-6,8-diene derivatives in moderate to good yields.
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