Hydrochloric Acid → Benzoic acid, 2-[(1-butyl-2-methyl-1H-indol-3-yl)carbonyl]-
反応式
[C:1]1(=[O:11])[O:6][C:4](=[O:5])[C:3]2=[CH:7][CH:8]=[CH:9][CH:10]=[C:2]12.[CH2:12]([N:16]1[C:24]2[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=2)[CH:18]=[C:17]1[CH3:25])[CH2:13][CH2:14][CH3:15].[Cl-].[Al+3].[Cl-].[Cl-].Cl>C1C=CC=CC=1>[CH2:12]([N:16]1[C:24]2[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=2)[C:18]([C:4]([C:3]2[CH:7]=[CH:8][CH:9]=[CH:10][C:2]=2[C:1]([OH:6])=[O:11])=[O:5])=[C:17]1[CH3:25])[CH2:13][CH2:14][CH3:15]参加物
6
実験手順
To a stirred mixture containing 7.4 g. of phthalic anhydride and 16.0 g. of 1-butyl-2-methylindole at 0°-5° C. was added portionwise 13.3 g. of aluminum chloride. The mixture was diluted with 50 ml. of benzene and stirred overnight at room temperature. The reaction mixture was poured into 200 ml of 5% hydrochloric acid and the product extracted with benzene. The benzene extracts were shaken with dilute aqueous potassium hydroxide. The aqueous alkaline layer was separated, cooled with ice and brought to pH 4 with acetic acid. The precipitated product was collected and dried to give 2-(1-butyl-2-methyl-3-indolylcarbonyl)benzoic acid, m.p. 88°-92° C.
後処理
- additionTo a stirred mixture containing 7.4 g
- additionThe mixture was diluted with 50 ml
- extractionthe product extracted with benzene
- customThe aqueous alkaline layer was separated
- temperaturecooled with ice
- customThe precipitated product was collected
- customdried
出典と根拠
- ORDレコード
- ord-52414744bce14502b2c8c4f9f0acfb4e
- 出典データセット
- uspto-grants-1981_02
- 特許番号
- US04251092
反応ノート
読み込み中…