反応 #707654

反応方程式

diphenylamine

n-butyl isocyanate

→

N-n-butyl-N',N'-diphenylurea

収率 60.0%

溶媒

xylene

反応条件

後処理

1. 1
   温度cooled to room temperature
2. 2
   ろ過After the product had been filtered off
3. 3
   洗浄washed with 100 ml of cold xylene
4. 4
   その他dried

実験手順

0.5 mole of diphenylamine was taken together with 0.53 mole of n-butyl isocyanate and 1 g of di-n-butyl phosphate in 150 ml of xylene. The mixture was heated at 120° C. for 24 hours, with stirring, and then cooled to room temperature. After the product had been filtered off, washed with 100 ml of cold xylene and dried, 0.3 mole of N-n-butyl-N',N'-diphenylurea was obtained. Melting point: 92° C./yield: 60% of theory.

出典