4-Chlorobutyryl chloride → 4-chloro-N-{2-[2-(dimethylamino)ethyl]-1,3-dioxo-2,3-dihydro-1H-dibenzo[de,h]isoquinolin-11-yl}butanamide

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

A solution of 100 mg (0.30 mmole) of 11-amino-2-[2-(dimethylamino)ethyl]-1H-dibenzo[de,h]isoquinoline-1,3(2H)-dione (obtained in example 3) in 4 mL of acetonitrile was stirred at 20° C. 68 μL of 4-chlorobutyryl chloride were added. The mixture was magnetically stirred at 20° C. during 3 hours. The solvent was then evaporated under reduced pressure and the residue was submitted to a flash chromatography on silica (eluent: CH2Cl2/methanol in a 97:3 volume ratio) to provide 70 mg (yield: 53%) of the desired product (formula below) as an orange powder

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