Ethanol → ethyl 8-(3-aminophenyl)-1-cyclopropyl-9-methyl-4-oxo-4H-quinolizine-3-carboxylate

関与物質

反応手順

92.7 mg of ethyl 8-chloro-1-cyclopropyl-9-methyl-4-oxo-4H-quinolizine-3-carboxylate was suspended in 1 ml of toluene. 0.5 ml of ethanol, 0.5 ml of 2 M aqueous sodium carbonate solution, 50 mg of 3-aminophenylboronic acid hydrochloride and 10 mg of bis(triphenylphosphine) palladium (II) chloride were added to the obtained suspension, and they were heated under reflux in argon atmosphere for 3 hours. Ethyl acetate was added to the reaction mixture. The organic layer was taken, washed with water and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The resultant residue was purified by the silica gel column chromatography (eluent: chloroform/ethyl acetate=4/1) to obtain 50.6 mg of ethyl 8-(3-aminophenyl)-1-cyclopropyl-9-methyl-4-oxo-4H-quinolizine-3-carboxylate.

情報源と証拠