1,1-Dimethylhydrazine → HCID 136166736、化合物
反応式
[C:1]([C:5]1[CH:6]=[C:7]([CH:16]=[C:17]([C:20]([CH3:23])([CH3:22])[CH3:21])[C:18]=1[OH:19])[C:8]([C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)=O)([CH3:4])([CH3:3])[CH3:2].[CH3:24][N:25]([CH3:27])[NH2:26].C1(C)C=CC(S(O)(=O)=O)=CC=1>O>[CH3:24][N:25]([CH3:27])[N:26]=[C:8]([C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)[C:7]1[CH:6]=[C:5]([C:1]([CH3:4])([CH3:3])[CH3:2])[C:18]([OH:19])=[C:17]([C:20]([CH3:23])([CH3:22])[CH3:21])[CH:16]=1参加物
5
実験手順
One gram of 3,5-di-t-butyl-4-hydroxybenzophenone was added to 2 ml of 1,1-dimethylhydrazine, and the mixture was heated at 70° to 75° C. for 8 hours in the presence of 20 mg of p-toluenesulfonic acid in autoclave. After cooling, the reaction mixture was poured into water and extracted with diethyl ether. The ethereal layer was washed with water and dried. The ether was distilled, and the residue was chromatographed on a silica gel column, and recrystallized from diethyl ether to give 3,5-di-t-butyl-4-hydroxybenzophenone dimethylhydrazone as pale yellow needles.
後処理
- temperatureAfter cooling
- extractionextracted with diethyl ether
- washThe ethereal layer was washed with water
- customdried
- distillationThe ether was distilled
- customthe residue was chromatographed on a silica gel column
- customrecrystallized from diethyl ether
出典と根拠
- ORDレコード
- ord-54c54bad9082412b9192c9549d67a5bf
- 出典データセット
- uspto-grants-1987_06
- 特許番号
- US04673692
反応ノート
読み込み中…