Sodium Iodide → HCID 70391052、化合物
反応式
[CH3:1][O:2][C:3]1[CH:36]=[C:35]([O:37][CH3:38])[CH:34]=[CH:33][C:4]=1[CH2:5][N:6]1[C@H:9]([CH2:10]OS(C2C=CC(C)=CC=2)(=O)=O)[C@H:8]([NH:22][C:23](=[O:31])[CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)[C:7]1=[O:32].[I-:39].[Na+]>CC(C)=O>[CH3:1][O:2][C:3]1[CH:36]=[C:35]([O:37][CH3:38])[CH:34]=[CH:33][C:4]=1[CH2:5][N:6]1[C@H:9]([CH2:10][I:39])[C@H:8]([NH:22][C:23](=[O:31])[CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)[C:7]1=[O:32]参加物
実験手順
To 70 ml of acetone are added 2.27 g of cis-1-(2,4-dimethoxybenzyl)-3-phenylacetamido-4-(p-toluenesulfonyloxymethyl)-2-oxoazetidine and 4.95 g of sodium iodide, and the mixture is heated under reflux for 6 hours with stirring, and then concentrated in vacuo. To the residue are added methylene chloride and water to dissolve it, and the methylene chloride layer is separated and washed successively with an aqueous sodium thiosulfate solution and an aqueous sodium chloride solution. The methylene chloride layer is then dried over magnesium sulfate and the solvent is distilled off in vacuo. Ethyl acetate is added to the residue and the precipitated crystals are collected by filtration to give cis-1-(2,4-dimethoxybenzyl)-4-iodomethyl-3-phenylacetamido-2-oxoazetidine, m.p. 181°-182° C.
後処理
- temperaturethe mixture is heated
- temperatureunder reflux for 6 hours
- concentrationconcentrated in vacuo
- additionTo the residue are added methylene chloride and water
- dissolutionto dissolve it
- customthe methylene chloride layer is separated
- washwashed successively with an aqueous sodium thiosulfate solution
- dry with materialThe methylene chloride layer is then dried over magnesium sulfate
- distillationthe solvent is distilled off in vacuo
- additionEthyl acetate is added to the residue
- filtrationthe precipitated crystals are collected by filtration
出典と根拠
- ORDレコード
- ord-a2232300affc460d9714c4d600c5ed73
- 出典データセット
- uspto-grants-1987_06
- 特許番号
- US04675397
反応ノート
読み込み中…