Formaldehyde → HCID 23149160, compound

Participants

Reaction Conditions

Reaction Steps

The mixture of 0.96 g of 3-formyl-1H-pyrazole, 0.60 g of paraformaldehyde and 0.3 ml of triethylamine was stirred at 100° C. for 5 hours. After the reaction mixture was cooled to room temperature, acetone was added to the reaction mixture. The mixture was filtered. The filterate was concentrated under reduced pressure to obtain 1.21 g of 1-(hydroxymethyl)-3-formyl-1H-pyrazole. The crude product was used for next process without purification.

Provenance & Evidence