Acetyl chloride → Ethyl 6-oxo-1,6-dihydropyridazine-4-carboxylate

Participants

Reaction Conditions

Reaction Steps

The title compound from Example 18.3 (1.0 g, 7.13 mmol) was added to a solution of ethanol (16 mL) and acetyl chloride (4 mL) and the resulting suspension was heated to 75° C. and stirred overnight. The reaction mixture was concentrated, diluted with water and extracted with dichloromethane. The organic phase was dried over sodium sulfate, filtered and concentrated to give the title compound.

Provenance & Evidence