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Synthesis 1986; 1986(3): 230-231
DOI: 10.1055/s-1986-31628
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A Convenient Synthesis of Novel [1,2,4]Triazolo[4,3-a][1,5]benzodiazepine Derivatives

M. C. Aversa* , A. Ferlazzo, P. Giannetto, F. H. Kohnke
  • *Dipartimento di Chimica organica e biologica. Università di Messina, Piazza S. Pugliatti, I-98100 Messina, Italy
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Publication Date:
20 August 2002 (online)

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A synthetic approach to the previously unknown 3a,4,5, 6-tetrahydro-3H[1,2,4]triazolo[4,3-a][1,5]benzodiazepine system via [3 + 2]-cycloaddition of nitrile imines to 2, 3-dihydro-1H-1,5-benzodiazepines is described. In an analogous way, the 3 a,4,4a,5-tetrahydro-3H-bis[1,2,4]triazolo [4,3-a:3′,4′-d][1,5]benzodiazepine system is prepared from 3H-1,5-benzodiazepines.

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