HCID 23079541, compound → 3-Benzyloxy-5-bromo-4-formyl-1-isopropyl-1H-pyrazole

Participants

Reaction Conditions

Reaction Steps

3-Benzyloxy-5-bromo-4-hydroxymethyl-1-isopropyl-1H-pyrazole (3.0 g) was dissolved in dichloromethane (30 mL), and manganese dioxide (4 g) was added to the stirred solution at room temperature. The mixture was stirred at 50° C. for 1 hour. After the insoluble material was removed by filtration, the filtrate was concentrated under reduced pressure to give the title compound (2.7 g).

Provenance & Evidence