HCID 178487646, compound → HCID 178487647, compound

Participants

Reaction Steps

4-Hydroxy-8-(3-methoxy-4-phenylsulfinylphenyl)pyrazolo[1,5-a]-1,3,5-triazine monohydrate (80 g) is dissolved in N,N-dimethylformamide (600 ml), and the insoluble material is filtered off. To the filtrate is added water (3 liters), and the resulting precipitate is separated by filtration and refluxed in acetone (1.6 liter) for 2 hours. After cooling, the precipitate is separated by

Provenance & Evidence