Nitric Acid → HCID 16638331, compound
Reaction equation
[CH2:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[CH2:3][C:2]21[C:13](=[O:14])[NH:12][C:11](=[O:15])[NH:10]2.[N+:16]([O-])([OH:18])=[O:17]>>[N+:16]([C:6]1[CH:5]=[C:4]2[C:9](=[CH:8][CH:7]=1)[CH2:1][C:2]1([C:13](=[O:14])[NH:12][C:11](=[O:15])[NH:10]1)[CH2:3]2)([O-:18])=[O:17]Participants
3
Procedure
To a solution of conc. HNO3 (30 ml) at 0° C. was added 1′,3′-dihydrospiro[imidazolidine-4,2′-indene]-2,5-dione (3 g) in portions. The cooling bath was removed and the reaction mixture was stirred at room temperature for 1.5 h. The reaction mixture was poured into ice and the precipitated product was filtered, washed with water and desiccated. LC/MS (10% to 99%): M/Z (M+H)+ (obs)=248; tR=1.82.
Workup
- customThe cooling bath was removed
- additionThe reaction mixture was poured into ice
- filtrationthe precipitated product was filtered
- washwashed with water
Sources & evidence
- ORD record
- ord-2a0eedd5cf10410fa755f5f49f38e158
- Source dataset
- uspto-grants-2010_11
- Patent number
- US07842686B2
Reaction notes
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