反应详情

7-Fluoro-1-methyl-1,3-dihydro-indol-2-one (7, 2.00 g, 0.0119 mol) is added portion wise to 70% nitric acid (10 ml) at −10° C. After the addition is complete, the reaction is allowed to warm to room temperature and then stirred for 20 hours. The mixture is diluted with ice water and the resulting precipitate filtered, washed with water, and dried under vacuum to give the title compound as a solid. HPLC r.t. 4.40 min.

1. additionAfter the addition
2. filtrationthe resulting precipitate filtered
3. washwashed with water
4. customdried under vacuum