反応式
[C:1]([NH:8][C@H:9]1[CH2:14][CH2:13][C@@H:12]([C:15]([O:17][C:18]2[CH:27]=[CH:26][C:21]([C:22]([O:24]C)=[O:23])=[C:20]([O:28][CH3:29])[CH:19]=2)=[O:16])[CH2:11][CH2:10]1)([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2].O.O[Li].O>C1COCC1>[C:1]([NH:8][C@H:9]1[CH2:14][CH2:13][C@@H:12]([C:15]([O:17][C:18]2[CH:27]=[CH:26][C:21]([C:22]([OH:24])=[O:23])=[C:20]([O:28][CH3:29])[CH:19]=2)=[O:16])[CH2:11][CH2:10]1)([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2]参加物
5
反応条件
- 温度
- 45 °C
実験手順
To a stirred solution of methyl 4-[N-Boc-cis-1-amino-4-cyclohexanoyloxy]-2-methoxybenzoate (220 mg, 0.52 mmol) in THF:H2O (5 mL: 1 mL) was added LiOH.H2O (67.6 mg, 1.59 mmol). The reaction was heated to 45° C. over 12 h and then cooled to ambient temperature. The solvent was removed under reduced pressure. The crude solid passed through a plug of silca gel packed in 50:50 MeOH:CH2Cl2 and eluted with same. The solvent was removed under reduced pressure to afford 4-[N-Boc-cis-1-amino-4-cyclohexanoyloxy]-2-methoxybenzoic acid as a white solid.
後処理
- temperaturecooled to ambient temperature
- customThe solvent was removed under reduced pressure
- washCH2Cl2 and eluted with same
- customThe solvent was removed under reduced pressure
出典と根拠
- ORDレコード
- ord-c883c9ea34ed4863b03fce02c544723e
- 出典データセット
- uspto-grants-1998_03
- 特許番号
- US05726172
関連ノート
読み込み中…