Iodine → Methyl phenylcarbamate

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반응 단계

In a 200 ml stirring type autoclave were charged 30 mmols of N,N'-diphenylurea, 15 mmols of nitrobenzene, 50 ml of methanol, 1 mmol of potassium tetrabromopalladate, 2 mmols of iodine and 2 mmols of triethylamine. After the air inside the autoclave had been replaced with carbon monoxide, carbon monoxide was pressurized into the autoclave to 120 Kg/cm2, and the reaction was carried out at 180° C. for 6 hours with stirring. As the result of analysis of the reaction solution, the conversions of N,N'-diphenylurea and nitrobenzene were 30% and 38%, respectively, and 15 mmols of methyl N-phenylcarbamate were obtained.

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