Hydrazine hydrate (1:1) → HCID 136049261, compound

Participants

Reaction Steps

This compounds was synthesised in the same manner as described above. 6-Chloro-7-hydroxy-2-methyl-3-phenyl-chromen-4-one (0.5 g, 1.75 mmol), Hydrazine hydrate (5 ml). The quenched reaction was extracted into ethyl acetate, washed (water), dried (MgSO4), and the solvent removed under vacuum to give 4-Chloro-6-(5-methyl-4-phenyl-1H-pyrazol-3-yl)-benzene-1,3-diol as a white solid (0.27 g, 51.4%); Rf 0.55 ethyl acetate/hexane (80/20)].

Provenance & Evidence