Piperidine → 2-Methyl-4-[3-(4-methylpiperazin-1-yl)-propyl]-5-(2-oxo-4-pyridin-2-yl-1,2-dihydroindol-3-ylidenemethyl)-1H-pyrrole-3-carboxylic Acid Ethyl Ester

Participants

Reaction Conditions

Reaction Steps

A mixture of 4-pyridin-2-yl-1,3-dihydroindol-2-one (31.5 mg, 0.15 mmol), 5-formyl-2-methyl-4-[3-(4-methylpiperazin-1-yl)-propyl]-1H-pyrrole-3-carboxylic acid ethyl ester (48.2 mg, 0.15 mmol) and piperidine (0.1 mL) in ethanol (1 mL) was heated in a sealed tube at 70° C. for 6 hours. The reaction was concentrated and the residue was re-crystallized from ethyl acetate and hexane to give the title compound.

Provenance & Evidence