Hydrazine hydrate (1:1) → HCID 18694778, compound

Participants

Reaction Steps

3.46 g of the product of Stage C were dissolved in 70 ml of hot ethanol and 1.86 ml of hydrazine hydrate were added. The reaction medium was refluxed for 17 hours and the precipitate was eliminated by filtration. The solvent was evaporated and the residue was taken up in 70 ml of dichloromethane. Filtration was carried out and the solvent was evaporated to obtain 2.19 g of the expected product.

Provenance & Evidence