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A range of oxaziridines containing N-methylene substituents has been synthesized by peracid oxidation of the corresponding fluorenylidene N-alkylamines. Spontaneous and tertiary amine base-catalysed decomposition of the oxaziridines into unstable N H aldimines and derivatives was observed. Acrylaldehyde, 2-methylacrylaldehyde, and benzaldehyde N H imines have been identified as initial products from decomposition of the corresponding oxaziridines. 2,4,6-Trialkylhexahydro-l,3,5triazines, N,N'-dialkylidene-1 ,1 -diaminoalkanes, N,N'-diarylidene-1 ,1 -diaminoalkanes, and N-isobutylidene-2-methylpropenylamine were among the isolated products formed via the undetected alkyl aldehyde N H imines resulting from oxaziridine decomposition.

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Die aus den Iminen (I) erhaltenen Oxaziridine (IIb) ‐(IIh) zerfallen in die im Formelschema aufgeführten Produkte, wobei z.T. auch Aldehyde des Typs Rl‐CHO gebildet werden.

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