1,1-Dimethylethyl (3S)-3-[(3-chloro-4-cyanophenyl)amino]-4-(methylamino)butanoate → Methyl (3S)-3-[(3-chloro-4-cyanophenyl)amino]-4-(methylamino)butanoate, hydrochloride
反応式
[Cl:1][C:2]1[CH:3]=[C:4]([NH:10][C@H:11]([CH2:20][NH:21][CH3:22])[CH2:12][C:13]([O:15][C:16](C)(C)C)=[O:14])[CH:5]=[CH:6][C:7]=1[C:8]#[N:9]>CO.Cl.O1CCOCC1>[ClH:1].[Cl:1][C:2]1[CH:3]=[C:4]([NH:10][C@H:11]([CH2:20][NH:21][CH3:22])[CH2:12][C:13]([O:15][CH3:16])=[O:14])[CH:5]=[CH:6][C:7]=1[C:8]#[N:9]参加物
4
反応条件
- 温度
- 60 °C
実験手順
The 1,1-dimethylethyl (3S)-3-[(3-chloro-4-cyanophenyl)amino]-4-(methylamino)butanoate from the previous step (31.4 g) was dissolved in a mixture of MeOH (100 mL) and 4N HCl/dioxane (30 mL) and heated to 60° C. for 1.25 h. The solvents were concentrated to a slurry, Et2O (200 mL) was added, the solid filtered, washed well with Et2O to give the titled compound (15.6 g).
後処理
- concentrationThe solvents were concentrated to a slurry, Et2O (200 mL)
- additionwas added
- filtrationthe solid filtered
- washwashed well with Et2O
出典と根拠
- ORDレコード
- ord-9cfef89d7617450e80e24c73c4cdc4ed
- 出典データセット
- uspto-grants-2010_10
- 特許番号
- US07816395B2
反応ノート
読み込み中…