N-methyl-2-pyrrolidone → HCID 66643060, compound

Participants

Reaction Steps

A mixture of 2-[methyl(3-nitrophenyl)amino]ethyl methanesulfonate (Preparation Example 472) (1.0 g), 1-methylpiperazine (1.61 mL) and NMP (5 mL) was reacted at 130° C. for 30 minutes using a microwave reaction system. The reaction liquid was diluted with water, extracted with a mixed solvent of chloroform and methanol (10:1), and then washed with saturated aqueous sodium chloride. After drying over anhydrous magnesium sulfate, the solvent was distilled off, and the residue was purified by silica gel column chromatography (eluent; chloroform:methanol:saturated aqueous ammonia=10:1:0.1) to give N-methyl-N-[2-(4-methylpiperazin-1-yl)ethyl]-3-nitroaniline (890 mg) as a yellow oil.

Provenance & Evidence