Abstract
A new method for the preparation of nitriles by refluxing aldoximes in HMPA is presented. In the same reaction, almost quantitative yields of octamethylpyrophosphoric amide are formed. Reaction of oximes of aromatic ketones with HMPA produces Beckmann rearrangement products, the corresponding amidines and some quite anomalous products. Cyclohexanone oxime gives no Beckmann rearrangement but several products like octahydroacridines, octahydrocarbazoles, octahydrophenazines, phenazines, lutidines and N,N-dimethyl-anilines.
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