Heterocyclic Communications p. 613 - 616 (2002)
Update date:2022-07-30
Topics:
Gucky, Tomas
Nalepa, Karel
Wiedermannova, Iveta
Summary. Nitrosation and coupling reactions on the active methylene group of the 3-substituted-5-(substituted benzyl)-6-oxo-1,6-dihydro-1,2,4-triazines gave oximes and arylhydrazones of the 3-substituted-5-(substituted benzoyl)-6-oxo-1,6-dihydro-1,2,4-triazines. These compounds were cyclized to the 3,5-disubstituted isoxazolo [4,5-e] 1,2,4-triazines and 3-methyl-5,7-diaryl pyrazolo [4,3-e] 1,2,4-triazines.
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