Synthesis of 1, 4-dihydroimidazo [5, 1-c]-1, 2, 4-triazin-4-ones and imidazo [5, 1-c]-1, 2, 4-triazoles

MA Bezmaternykh, VS Mokrushin…

Index: Chemistry of Heterocyclic Compounds, , vol. 35, # 11 p. 1349 - 1356

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Abstract

... VoL 35. No. ... 4-ones (lo,p). Sample of 9.9 mmol of thiourea and two drops of 88% formic acid were added to solution of 8.25 mmol of compounds Ib,f ... Vlla-c). Sample of 8.8 mmol of thiourea and two drops of 88% formic acid were added to solution of 7.36 mmol of compound Via-c ...