反応 #54849

反応方程式

phenyl isocyanate

2-aminopyridine dibutyl tin dilaurate

→

N-(2-pyridyl)-N'-phenyl urea

溶媒

toluene

—

Petroleum ether

反応条件

後処理

1. 1
   ろ過filtered

実験手順

29.04 g of a catalyst mixture of 2-aminopyridine/dibutyl tin dilaurate (molar ratio 1:1) in 37 ml of toluene are reacted with 4.76 g of phenyl isocyanate at room temperature. Petroleum ether is added to the resulting suspension after 11/2 hours and the colorless precipitate is suction filtered. 7 g of N-(2-pyridyl)-N'-phenyl urea, m.p. 186°-188° C. are isolated.

出典