反应详情

2-Oxindole (1.3 g) in 20 mL acetonitrile was cooled to −10° C. and 2.0 g N-bromosuccinimide was slowly added with stirring. The reaction was stirred for 1 hour at −10° C. and 2 hours at 0° C. The precipitate was collected, washed with water and dried to give 1.9 g (90% yield) of the title compound.

1. stirringThe reaction was stirred for 1 hour at −10° C. and 2 hours at 0° C
2. customThe precipitate was collected
3. washwashed with water
4. customdried