1,3-Dimethyl-2-imidazolidinone → HCID 18977147, compound

Participants

Reaction Steps

7.50 g of triethylamine was added to a 1,3-dimethyl-2-imidazolidinone suspension (75 ml) containing 7.51 g of 6-[4-(3-aminopropyl)phenyl]-4,5-dihydropyridazin-3(2H)-one, and the mixture was stirred at room temperature for 10 minutes. Then, a tetrahydrofuran solution (40 ml) containing 5.85 g of chloroethylsulfonyl chloride was added to the mixture, and the resulting mixture was stirred at room temperature for 1 hour. The reaction mixture was poured into ice water, and precipitated crystal was collected by filtration and recrystallized from acetonitrile to obtain 5.39 g of 6-[4-(3-vinylsulfonylaminopropyl)phenyl]-4,5-dihydropyridazin-3(2H)-one.

Provenance & Evidence