Propanenitrile, 3-[(3-methylphenyl)amino]- → N-(2-cyanoethyl)-3-methylcarbanilic acid-[3-(trichloromethylcarbonylamino)-phenyl]-ester

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Reaction Steps

Into a solution of 16.0 g N-(2-cyanoethyl)-3-methylaniline in 100 ml acetonitrile, 31.7 g chloroformic acid-3-(trichloromethylcarbonylamino)-phenyl ester taken up in 100 ml acetonitrile is added dropwise. The reaction mixture is heated to boiling for another 10 minutes, cooled, stirred in 500 ml ice water, the precipitate filtered and recrystallized from isopropanol.

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