Halogenation of N-substituted p-quinonimines and p-quinone oxime esters:: I.: Chlorination and bromination of 4-aroyloxyimino- and arylsulfonyloxyimino-2,5-cyclohexadienones

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作者
Shishkina, SV
Shishkina, SV
Shishkin, OV
Glinyanaya, NM
Konovalova, SA
Goncharova, SA
机构
[1] Donbass State Machine Bldg Acad, UA-84313 Kramatorsk, Ukraine
[2] Natl Acad Sci Ukraine, Inst Monokristallov Res & Technol Concern, Res Dept Alkali Met Halide Crystals, Kharkov, Ukraine
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中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Chlorine and bromine addition to 4-aroyloxyimino- and 4-arylsulfonyloxymino-3-methyl-2,5-cyclohexadienones initially occurs at the C-5=C-6 double bond. The second chlorine molecule adds at both C-2=C-3 and C-5=C-6 double bonds. The chlorination of 2,5-dialkyl-substituted 4-aroyloxyimino- and 4-arylsulfonyloxymino-2,5-cyclohexadienones involves either of the C=C bonds in the quinoid ring.
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页码:683 / 691
页数:9
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