反应详情

To a solution of N-(4-chlorophenyl)benzene-1,2-diamine (12.0 g) in a minimum quantity of ether was added benzoylformic acid (7.5 g) dissolved in ether and the mixture was stirred for 8 hours. The resulting precipitate was filtered, dried, and recrystallised from ethanol giving the title compound (11.0 g) mp 214.5°-216.5° C.

1. filtrationThe resulting precipitate was filtered
2. customdried
3. customrecrystallised from ethanol giving the title compound (11.0 g) mp 214.5°-216.5° C.