2-Thiophenecarboxaldehyde → HCID 73430731, compound

Participants

Reaction Steps

12.75 g of 5-hydroxy-3-methyl-1-(4-sulfophenyl)-1H-pyrazole, 6.2 g of thiophene-2-carboxaldehyde and 3.85 g of ammonium acetate in 100 mL of ethanol were heated at 80° C. After 4 hours, the mixture was cooled and filtered. The crude product was allowed to reflux in 250 mL of methanol for 30 min and the mixture was then cooled and filtered.

Provenance & Evidence