Heterocyclic Compounds
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ChemInform Abstract: Preparation of Triazolo(1,5-c)pyrimidines as Potential Antiasthma Agents.
First published: November 27, 1990
ChemInform Abstract
The (het)aromatic nitriles (I) are converted into the 2-aryl-6-chloropyrimidines (VIII) which are transformed into the triazolopyrimidines (XII) via cyclization of the hydrazines (X) with cyanogen bromide (XI).
