Tetrahydrofuran → HCID 53898853, compound

Participants

Reaction Steps

To 20 ml of tetrahydrofuran were added 2.4 g of 4-amino-6,7-dimethoxy-2-(1-piperazinyl)quinazoline hydrochloride and 2.6 g of triethylamine, after which the mixture was stirred for 20 minutes. There was then added 0.8 g of 3-hexenoyl chloride, after which the mixture was stirred at room temperature for 15 hours. The resulting crystals were collected by filtration, washed with water and recrystallized from ethanol, to give 1.10 g of the desired Compound No. 7 in the form of pale yellow powdery crystals melting at 197.5°-198.5° C.

Provenance & Evidence