- Comparison of preparation methods of N-arylsulfinyl-1,4-benzoquinone monoimines
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Advantages and shortcomings were discussed of three procedures for preparation N-arylsulfinyl-1,4-benzoquinone imines: the reaction of arenesulfenyl chlorides with 1,4-benzoquinone oximes, the oxidation of N-arylthio-1,4-benzoquinone imines, and the reaction of arylsulfinyl chlorides with p-aminophenols followed by oxidation. A series of new N-arylsulfinyl-1,4- benzoquinone imines was obtained.
- Avdeenko,Konovalova,Santalova
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p. 231 - 236
(2008/12/20)
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- Reactions of arylsulfinyl chlorides and N-(arylsulfonyl)arylsulfinimidoyl chlorides with p-aminophenols
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In reactions of arylsulfinyl chlorides and N-(arylsulfonyl) arylsulfinimidoyl chlorides with p-aminophenols formed N-arylthio-1,4- benzoquinone imines, evidently through a stage of N-arylsulfinyl-4-aminophenols and N-(N-arylsulfonyl)arylsulfinylimidoyl-4-aminophenols that under the reaction conditions eliminate respectively H2O and ArSO2NH 2.
- Avdeenko,Konovalova,Santalova
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p. 1471 - 1474
(2008/09/16)
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- Synthesis and 13C NMR spectra of N-substituted p-quinonimines: III. N-arylthio- and N-arylsulfonyl-1,4-benzoquinonimines with enhanced electron-donor character of quinoid ring
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Incorporation of alkyl substituents into quinonimine fragments of N-arylthio- and N-arylsulfonyl-1,4-benzoquinonimines results in virtually equal changes in the chemical shifts of the carbon atoms from this fragment compared to those of unsubstituted and
- Pirozhenko,Avdeenko,Yusina,Konovalova
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p. 1121 - 1128
(2007/10/03)
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