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Synthesis 1986; 1986(1): 71-74
DOI: 10.1055/s-1986-31483
DOI: 10.1055/s-1986-31483
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The Synthesis of Pyrazolo[1,5-b][1,2,4]triazines, A New Heterocyclic Ring System
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Publikationsverlauf
Publikationsdatum:
20. August 2002 (online)
Four representatives of the new ring system pyrazolo[1,5-b][1,2,4]triazine were prepared by N-amination of 3(5)-aminopyrazole or its 5(3)-phenyl derivative and cyclocondensation of the resultant 1,5-diaminopyrazoles with glyoxal, butanedione, or benzil.