Hydrazine hydrate (1:1) → HCID 19375604, compound

Participants

Reaction Steps

0.70 g of 2-(2-thenoyl)-3-thiophene carboxylic acid and 0.22 g of hydrazine hydrate were dissolved in 20 ml of ethanol, and the solution was refluxed for 5 hours. After cooling the solution, it was crystallized by adding ether, thereby obtaining 0.61 g of 7-(2-thienyl)thieno[2,3-d]-pyridazine-4(5H)-one.

Provenance & Evidence