Avdeenko, A. P.; Glinyanaya, N. M.; Pirozhenko, V. V., Russian Journal of Organic Chemistry, 1995, vol. 31, # 10, p. 1380 - 1385
作者:Avdeenko, A. P.、Glinyanaya, N. M.、Pirozhenko, V. V.
DOI:——
日期:——
Halogenation of N-substituted p-quinone imines and p-quinone oxime esters: III. Regioselectivity in the halogenation of N-aroyl(arylsulfonyl)oxyimino-2,5-cyclohexadienones
作者:A. P. Avdeenko、S. A. Konovalova、A. Ya. Il’chenko、N. M. Glinyanaya
DOI:10.1134/s1070428006010106
日期:2006.1
Halogenation of 4-aroyl(arylsulfonyl)oxyimino-2,5-cyclohexadienones is not accompanied by change of the configuration at the nitrogen atom. p-Benzoquinone oxime ethers and esters take up halogens in a regioselective fashion at the syn-C=C bond of the quinoid ring. The main factor responsible for regioselective addition of halogens is configuration at the nitrogen atom, which determines the stability of intermediate halogenonium ion.
Avdeenko; Glinyanaya; Pirozhenko, Russian Journal of Organic Chemistry, 1996, vol. 32, # 1, p. 85 - 89