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Reaction of Diaryl-1,2-diones with Triphenylphosphine and Diethyl Azodicarboxylate Leading to N,N-Dicarboethoxy Monohydrazones via a Novel Rearrangement^†

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posted on 2005-05-26, 00:00 authored by Vijay Nair, A. T. Biju, K. G. Abhilash, Rajeev S. Menon, Eringathodi Suresh

A mechanistically novel reaction of diaryl-1,2-diones with diethyl azodicarboxylate and triphenylphosphine to afford N,N-dicarboethoxy monohydrazones is described. The reaction proceeds via a nitrogen to nitrogen migration of a carboethoxy group.

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dicarboethoxy monohydrazones nitrogen migration Rearrangement reaction proceeds Diaryl carboethoxy group Dicarboethoxy Monohydrazones Triphenylphosphine diaryl diethyl azodicarboxylate Diethyl Azodicarboxylate triphenylphosphine mechanistically novel reaction

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Reaction of Diaryl-1,2-diones with Triphenylphosphine and Diethyl Azodicarboxylate Leading to N,N-Dicarboethoxy Monohydrazones via a Novel Rearrangement†