反応式
[N+:1]([C:4]1[CH:5]=[C:6]([C:9]([OH:11])=[O:10])[NH:7][N:8]=1)([O-:3])=[O:2].[C:12](=O)(O)[O-].[Na+]>CO.S(=O)(=O)(O)O>[CH3:12][O:10][C:9]([C:6]1[NH:7][N:8]=[C:4]([N+:1]([O-:3])=[O:2])[CH:5]=1)=[O:11]参加物
4
実験手順
A solution of 5-Nitro-2H-pyrazole-3-carboxylic acid (5 gm, 32 mmol) in 100 ml of 2% sulfuric acid methanol was refluxed for 20 hours. The mixture was cooled to room temperature and added to saturated sodium bicarbonate. The mixture was extracted with ethyl acetate three times to obtain 3.59 gm of title product after drying over magnesium sulfate, filtering and evaporating to dryness. ESI M+1=171.
後処理
- extractionThe mixture was extracted with ethyl acetate three times
出典と根拠
- ORDレコード
- ord-22a35fe448e645d49e111277870338bb
- 出典データセット
- uspto-grants-2008_09
- 特許番号
- US07425640B2
関連ノート
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