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Lead tetraacetate oxidation of 2,2,6,6-tetramethylcyclohexanone oxime and structurally related ketoximes caused C—C bond fission to yield acetyl hydroxamates. Severely hindered ketoximes gave nitrile oxides as intermediates which were trapped by 1,3-dipolar cycloaddition reaction.
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Just et al. (1970) studied this question.
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