Chemistry of Heterocyclic Compounds p. 500 - 505 (2006)
Update date:2022-08-03
Topics: Yield Catalyst Chromatography 1,2,4-triazole Workup Reaction Conditions Nucleophilic Attack Reaction Monitoring Spectroscopic Analysis Heterocycle Chromone Electrophilic center Recyclization Solvent system
Shokol
Turov
Semeniuchenko
Krivokhizha
Khilya
The recyclization of 2-R-7-hydroxy-3-(4-phenyl-1,2,4-triazol-3-yl)chromones using the binucleophiles hydroxylamine, hydrazine, or guanidine gave isoxazoles, 2-aminochromones, pyrazoles, or pyrimidines with a 4-phenyl-1,2,4-triazol-3-yl substituent. 2006 S
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