反应详情

温度

75 °C

A mixture of isatoic anhydride (1 mol) and 1,2 phenylenediamine (1.1 mol) in aglacial acetic acid (60%) was heated at 75° C. for 3 hrs. The resulting mixture was diluted with water and solid filtered to obtained dibenzo[b,e][1,4]-diazepine-11-one in 96% yield.

1. filtrationfiltered