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Synthesis 1994; 1994(2): 158-160
DOI: 10.1055/s-1994-25427
short paper
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N-Dimethylaluminum-N′,N′-Dimethylhydrazide: A New and Efficient Reagent for the Synthesis of N,N-Dimethylhydrazones and N-Unsubstituted Hydrazones

Benno Bildstein* , Peter Denifl
  • *Institut für Allgemeine, Anorganische, und Theoretische Chemie der Universität Innsbruck, A-6020 Innsbruck, Austria
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Publication Date:
17 September 2002 (online)

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N-dimethylaluminum-N′,N′-dimethylhydrazide, synthesized from N,N-dimethylhydrazine and trimethylaluminum, reacts with aromatic ketones or with electronically unfavourable substrates to give the corresponding hydrazones in high yield. Subsequent exchange with anhydrous hydrazine affords the N-unsubstituted hydrazones.