Cerium (IV) ammonium nitrate (CAN) initiated O-alkylation of oximes with N-vinyl lactams

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O-Alkylation of oximes with N-vinylpyrrolidin-2-one or iV-methyl-N-vinylacetamide was efficiently initiated by a catalytic amount of cerium (IV) ammonium nitrate (CAN), giving the corresponding oxime ether derivatives in good yield.
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