Butanedione → HCID 20211989, compound

Participants

Reaction Steps

9 g 4-[4-(2,3-Diamino-pyridin-6-yl)-1-piperazinyl]-1-(4-fluorophenyl)-1-butanone and 2.6 g butane-2,3-dione in 250 ml methanol are stirred under reflux for 1 hour. The solvent is evaporated. The residue is dissolved in hot ethyl acetate and treated with active charcoal, filtered and cooled to give the title compound, m.p. 155°-156°.

Provenance & Evidence