反応式
[N+:1]([C:4]1[CH:5]=[C:6]([CH:10]=[CH:11][CH:12]=1)[C:7](Cl)=[O:8])([O-:3])=[O:2].C(N(CC)CC)C.[CH3:20][N:21]1[CH2:25][CH2:24][CH2:23][C@H:22]1[CH2:26][OH:27]>C1COCC1.CN(C1C=CN=CC=1)C>[N+:1]([C:4]1[CH:5]=[C:6]([CH:10]=[CH:11][CH:12]=1)[C:7]([O:27][CH2:26][CH:22]1[CH2:23][CH2:24][CH2:25][N:21]1[CH3:20])=[O:8])([O-:3])=[O:2]参加物
6
実験手順
To a solution of 3-nitrobenzoylchloride (2.5 g; 13.5 mmol) in THF (25 ml) was added triethylamine (1.87 ml; 13.5 mmol), a catalytic amount of 4-(N,N-dimethylamino)pyridine and (S)-(−)-1-methyl-2-pyrrolidinemethanol (1.61 ml; 13.5 mmol). The mixture was heated to reflux for 1.5 hours and left with stirring at ambient temperature overnight. The solvent was removed by evaporation and the residue was partitioned between dichloromethane and diluted hydrochloric acid (4 M). The aqueous phase was rendered alkaline by addition of aqueous sodium hydroxide (4 M) and extracted with dichloromethane. The organic extract was dried over sodium sulphate and evaporated to leave 6r (2.8 g; 78%).
後処理
- temperatureThe mixture was heated
- temperatureto reflux for 1.5 hours
- waitleft
- customThe solvent was removed by evaporation
- customthe residue was partitioned between dichloromethane and diluted hydrochloric acid (4 M)
- additionby addition of aqueous sodium hydroxide (4 M)
- extractionextracted with dichloromethane
- extractionThe organic extract
- dry with materialwas dried over sodium sulphate
- customevaporated
出典と根拠
- ORDレコード
- ord-25f4f7ebe0144f52b55f938f073b5169
- 出典データセット
- uspto-grants-2003_11
- 特許番号
- US06649609B2
関連ノート
読み込み中…