Dimethylformamide → 1-(4-fluoro-phenyl)-1H-indazole-4-carboxylic acid chloride
反応式
[F:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:16]3[CH:15]=[CH:14][CH:13]=[C:12]([C:17]([OH:19])=O)[C:11]=3[CH:10]=[N:9]2)=[CH:4][CH:3]=1.C(Cl)(=O)C([Cl:23])=O.CN(C=O)C>C(Cl)Cl>[F:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:16]3[CH:15]=[CH:14][CH:13]=[C:12]([C:17]([Cl:23])=[O:19])[C:11]=3[CH:10]=[N:9]2)=[CH:4][CH:3]=1参加物
5
実験手順
To a solution of 1-(4-fluoro-phenyl)-1H-indazole-4-carboxylic acid (0.400 g, 1.56 mmol) in CH2Cl2 (5 mL) at room temperature was added oxalyl chloride (0.86 mL, 1.7 mmol) followed by DMF (20 μL). Gas evolution was observed. After 30 minutes, the solution was concentrated in vacuo to afford 1-(4-fluoro-phenyl)-1H-indazole-4-carboxylic acid chloride which was used without further purification.
後処理
- concentrationthe solution was concentrated in vacuo
出典と根拠
- ORDレコード
- ord-e41f226dbe4e4507ab63d5255e655d25
- 出典データセット
- uspto-grants-2011_08
- 特許番号
- US08008327B2
反応ノート
読み込み中…