Abstract
Halogenation of 4-aroyl(arylsulfonyl)oxyimino-2-methyl-2,5-cyclohexadienones yields Z,E-isomeric 4-aroyl(arylsulfonyl)oxyimino-5,6-dihalo-2-methyl-2-cyclohexenones and (E)-4-aroyl(arylsulfonyl)oxyimino-5,6-dihalo-6-methyl-2-cyclohexenones. Further chlorination leads to formation of (Z,E)-4-aroyl(arylsulfonyl)oxyimino-2,5,6-trichloro-6-methyl-2-cyclohexenones.
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Avdeenko, A.P., Glinyanaya, N.M., Konovalova, S.A. et al. Halogenation of N-Substituted p-Quinonimines and p-Quinone Oxime Esters: II. Chlorination and Bromination of 4-Aroyl(arylsulfonyl)oxyimino-2-methyl-2,5-cyclohexadienones. Russian Journal of Organic Chemistry 38, 692–698 (2002). https://doi.org/10.1023/A:1019663122800
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DOI: https://doi.org/10.1023/A:1019663122800