Hydrazine hydrate (1:1) → HCID 178488791, compound

Participants

Reaction Steps

This compounds was synthesised in the same manner as described above. 6-Chloro-3-(3,4-dimethoxy-phenyl)-7-hydroxy-chromen-4-one (0.2 g, 0.62 mmol), hydrazine hydrate (4 ml), ethanol (10 ml). The crude solid product was columned to give 4-Chloro-6-[4-(3,4-dimethoxy-phenyl)-1H-pyrazol-3-yl]-benzene-1,3-diol as a white solid (0.139 g, 65.1%); Rf 0.36 Cf SM 0.56 ethyl acetate/hexane (75/25).

Provenance & Evidence