The oxidation of α ketone imine carbanions gives primary α ketols from methylketones, and secondary α ketols from symmetric ketones. Secondary α ketols may also be isolated by oxidation of carbanions of methylketone oximes. By using manganese dioxide, these secondary ketols may be oxidized to α diketones.
α酮
亚胺碳负离子的氧化作用从甲基酮产生伯α酮醇,从对称酮产生仲α酮醇。仲α酮醇也可以通过甲基酮
肟的碳负离子的氧化来分离。通过使用
二氧化锰,这些仲酮醇可以被氧化成α二酮。