N,N'-Diacyl-N,N'-dialkoxyhydrazines have been shown to decompose thermally to esters and nitrogen. An intramolecular crossover experiment has shown that the formation of esters is consistent with a three- centred rearrangement process which is characteristic of N-alkoxy N-amino amides. The four-centred mechanism previously proposed by earlier workers is less favourable energetically. AM1 molecular orbital calculations support these experimental findings.
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Buccigross et al. (1995) studied this question.