The iodine-initiated cationic skeletal Wagner–Meerwein rearrangement in tetrahydro-3a,6-epoxyisoindol-1-ones has been studied. It was shown that by the action of iodine acetate in acetic anhydride the reaction proceeds regio- and stereoselectively with the formation of 5-iodo-4,6-epoxycyclopenta[c]pyridin-4-yl acetates. The proposed reagent provides better yields of rearrangement products than those described in the literature.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2020, 56(7), 930–935
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Zaytsev, V.P., Mertsalov, D.F., Trunova, A.M. et al. Iodine Acetate as a Mild Selective Agent for the Wagner–Meerwein Rearrangement in 3a,6-Epoxyisoindoles. Chem Heterocycl Comp 56, 930–935 (2020). https://doi.org/10.1007/s10593-020-02752-y
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DOI: https://doi.org/10.1007/s10593-020-02752-y