Ammonium formate → (S)-tert-butyl 4-aminoazepane-1-carboxylate
反応式
C1([C@H]([NH:9][C@H:10]2[CH2:16][CH2:15][CH2:14][N:13]([C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])[CH2:12][CH2:11]2)C)C=CC=CC=1.C([O-])=O.[NH4+]>CO.[OH-].[OH-].[Pd+2]>[NH2:9][C@H:10]1[CH2:16][CH2:15][CH2:14][N:13]([C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])[CH2:12][CH2:11]1参加物
5
実験手順
A suspension of Pd(OH)2/C (10%, 550 mg), tert-butyl (4S)-4-{[(1R)-1-phenylethyl]amino}azepane-1-carboxylate (5.5 g, 17.3 mmol) and HCOONH4 (3.3 g, 51.9 mmol) in MeOH (80 mL) was heated at reflux for 1.5 h. The reaction mixture was cooled to rt and filtered, the solvents of the filtrate were removed in vacuo. The residue was purified by column chromatography (gradient 0% to 10% MeOH in DCM) to give tert-butyl (4S)-4-aminoazepane-1-carboxylate (3.2 g, 87.3%).
後処理
- temperaturewas heated
- temperatureat reflux for 1.5 h
- filtrationfiltered
- customthe solvents of the filtrate were removed in vacuo
- customThe residue was purified by column chromatography (gradient 0% to 10% MeOH in DCM)
出典と根拠
- ORDレコード
- ord-b0f5a0c581f44aa792e754e23df3ccd2
- 出典データセット
- uspto-grants-2015_11
- 特許番号
- US09187451B2
反応ノート
読み込み中…