Hydrochloric Acid → HCID 67361832, compound

Participants

Reaction Conditions

Reaction Steps

70 mg (0.26 mmol) of 4-fluoro-1-(2-fluoro-phenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester were dissolved in 1.3 ml of dioxane and 1.305 ml of a 1 M aqueous solution of lithium hydroxide were added. The mixture was stirred at 56° C. for 30 min, then water and 2 N hydrochloric acid were added and the mixture extracted with diethyl ether. The organic phase was evaporated to give 67 mg (33%) of the title compound.

Provenance & Evidence