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Halogenation of N-substituted p-quinone imines and p-quinone oxime esters:: IV.: Chlorination and bromination of N-arylsulfonyl-2(3)-methyl(2-chloro)-1,4-benzoquinone monoimines
被引:12
|作者:
Avdeenko, AP
[1
]
Konovalova, SA
[1
]
机构:
[1] Donbass State Machine Bldg Acad, UA-84313 Kramatorsk, Ukraine
关键词:
D O I:
10.1134/S1070428006030031
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
The addition of halogens to N-arylsulfonyl-1,4-benzoquinone imines, which exist in a solution as Z and E isomers, is controlled by the steric factor. Z-E Isomerization strongly affects the stability of cyclohexene structures formed by halogenation of 1,4-benzoquinone imines. The halogenation of N-arylsulfonyl-1,4-benzoquinone imines was found to be accompanied by prototropic rearrangement.
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页码:349 / 364
页数:16
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