2-Methylbenzoyl chloride → 1-Methyl-5-(o-tolyl)-3-phenyl-1,2,4-triazole
反応式
Cl.[CH3:2][NH:3][NH:4][C:5](=[NH:12])[C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1.[C:13]1([CH3:22])[C:14]([C:19](Cl)=O)=[CH:15][CH:16]=[CH:17][CH:18]=1>C(OCC)C>[CH3:2][N:3]1[C:19]([C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][C:13]=2[CH3:22])=[N:12][C:5]([C:6]2[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=2)=[N:4]1参加物
4
反応条件
- 温度
- 120 °C
実験手順
A mixture of 0.56 g. of benzimidic acid 2-methylhydrazide hydrochloride and 3.8 g. of o-toluic acid chloride is heated under stirring at about 120° C. After cooling and addition of diethyl ether, the hydrochloride of the triazole is collected on filter and then suspended in a sodium bicarbonate aqueous solution. The free base is extracted with diethyl ether and the organic phase, after drying over sodium sulfate, is evaporated. The crude compound is purified by distillation at 160° C/0.1 mm Hg. Yield 76%.
後処理
- additionA mixture of 0.56 g
- temperatureAfter cooling
- customthe hydrochloride of the triazole is collected
- filtrationon filter
- extractionThe free base is extracted with diethyl ether
- dry with materialthe organic phase, after drying over sodium sulfate
- customis evaporated
- distillationThe crude compound is purified by distillation at 160° C/0.1 mm Hg
出典と根拠
- ORDレコード
- ord-7fa73e849b2446649b87bcb0e40d9066
- 出典データセット
- uspto-grants-1978_10
- 特許番号
- US04119635
反応ノート
読み込み中…