Dimethylformamide → HCID 15079120, compound

Participants

Reaction Steps

To 0.36 g of Compound 56 obtained in Example 18 were added 10 ml of dimethylformamide, 0.2 ml of triethylamine and 0.1 ml of methyl iodide. The resulting mixture was stirred at room temperature for 30 minutes and then concentrated. Thereafter, water was added to the residue, and the crystals precipitated were collected by filtration and dried to give 0.3 g (79%) of 4,5-dihydro-5-methyl-6-(4-methylthioquinazolin-7-yl)-3(2H)-pyridazinone (Compound 57).

Provenance & Evidence