229ChemInform Abstract The hitherto unknown 1,2,3-triazolo(5,4-e)-1,4-diazepine (VII) is the first representative of the class of compounds specified in the title. The key step in the synthesis of (VII) is the intramolecular cyclization of the chloroethyl derivative (VI), which proceeds in the presence of NaH. The title system is of interest because of its potential physiological activity.
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