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Synthesis 1992; 1992(7): 637-638
DOI: 10.1055/s-1992-26183
short paper
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Hydrazidine; VI1: Synthese von N 1,N 2-Dimethylhydrazidinen und 1, 2-Dihydro-1,2-dimethyl-1,2,4,5-tetrazinen

Hans Neunhoeffer* , Ute Karafiat, Matthias Vey
  • *Institut für Organische Chemie der Technischen Hochschule Darmstadt, Petersenstrasse 22, D-6100 Darmstadt, Germany
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Publication Date:
17 September 2002 (online)

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Hydrazidines, VI. Synthesis of N1,N2-Dimethylhydrazidines and 1,2-Dihydro-1,2-dimethyl-1,2,4,5-tetrazines Starting with (thiobenzoylthio)acetic acids 1 N1,N2-dimethylbenzohydrazide hydrazones 5 were prepared. Cyclization of 5 with trimethyl orthobenzoate affords 1,2-dihydro-1,2-dimethyl-1,2,4,5-tetrazines 6.