HCID 11437094, compound → HCID 11149948, compound

Participants

Reaction Steps

7.00 g (26.1 mmol) of 2-(1-methyl-3-trifluoromethylpyrazol-5-yloxy)-6-cyanopyridine were dissolved in 150 ml of glacial acetic acid, admixed with 1.40 g of Pd(OH)2, 20% on charcoal, and hydrogenated under a hydrogen overpressure of 17 bar. After 2 h, the catalyst was removed by filtration and the filtrate was concentrated by evaporation. The residue was taken up in water, admixed with 20 ml of 2 N HCl and subjected to multiple extraction with ethyl acetate. The aqueous phase was subsequently adjusted to a pH of 10 using 2 N NaOH and then subjected to multiple extraction with ethyl acetate. The combined organic extracts were then dried using MgSO4, filtered and concentrated.

Provenance & Evidence