反应详情

温度

70 °C

1.76 g (11.5 mmols) of phosphorus oxychloride was dropped in anhydrous dimethylformamide under agitation at room temperature, into which 25 ml of anhydrous dimethylformamide solution of 1.75 g of N,N-di(4-methoxyphenyl)aniline ((36)-2) was further dropped, following by raising the reaction temperature and agitating at 70° C. for 90 minutes.

1. additionwas further dropped
2. temperatureby raising the reaction temperature