Isopropanol → HCID 19838061、化合物
反応式
[OH:1][CH:2]1[NH:6][C:5](=[O:7])[CH:4]=[CH:3]1.[CH:8](O)([CH3:10])[CH3:9]>>[CH:8]([O:1][CH:2]1[NH:6][C:5](=[O:7])[CH:4]=[CH:3]1)([CH3:10])[CH3:9]参加物
3
実験手順
A mixture of 3 g of 1,5-dihydro-5-hydroxy-2H-pyrrol-2-one, 1.5 g of Amberlite IR 120 H and 60 cm3 of isopropanol is taken to 45°-50° C. for 3 hours. After cooling, filtering and evaporating to dryness, 1.8 g of the expected product is obtained, m.p. 79°-81° C., crystallized from isopropanol.
後処理
- temperatureAfter cooling
- filtrationfiltering
- customevaporating to dryness
出典と根拠
- ORDレコード
- ord-5adc35e61fc7448faeda8a9776ce27d9
- 出典データセット
- uspto-grants-1989_12
- 特許番号
- US04885307
反応ノート
読み込み中…