Sodium hydride → 6,7-Dimethoxyquinazoline

Participants

Reaction Steps

Ethyl-4-(cyclopentylcarbonyl)piperazin-1-yl-formamidate hydrochloride (0.01 mole) is added to a solution of 4,5-dimethoxy-2-aminobenzonitrile (0.01 mole) in 30 ml. of N1N-dimethylformamide. Sodium hydride (0.02 mole of a 56% suspension in mineral oil) is added and the mixture stirred 0.5 hr. at room temperature and then at 100° C. for a period of 12 hr. When the reaction period is complete, water is added providing 4-amino-2-[4-cyclopentylcarbonyl)-1-piperazinyl]-6,7-dimethoxyquinazoline.

Provenance & Evidence