88. A new reaction of hydrazones

DHR Barton, RE O'Brien, S Sternhell

文献索引：Barton,D.H.R. et al. Journal of the Chemical Society, 1962 , p. 470 - 476            

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被引用次数: 121

摘要

An improved preparation of hydrazones, with triethylamine as catalyst, has been developed. Oxidation of aldehyde or ketone hydrazones by iodine in neutral medium affords the corresponding azines. In a limited number of examples, oxidation with iodine in the presence of triethylamine proceeds differently and furnishes either (from aldehyde hydrazones) gem-di-iodides or (from ketone hydrazones) vinyl iodides. Iodo-analogues of ...