Lithium Hydroxide → (S)-2-((S)-3-acetamido-3-((R)-sec-butyl)-2-oxopyrrolidin-1-yl)-N-((1R,2S)-3-(3,5-difluorophenyl)-1-hydroxy-1-((2R,4S)-4-hydroxypyrrolidin-2-yl)propan-2-yl)-4-phenylbutanamide
反応式
[C:1]([NH:4][C@:5]1([C@@H:54]([CH2:56][CH3:57])[CH3:55])[CH2:9][CH2:8][N:7]([C@@H:10]([CH2:45][CH2:46][C:47]2[CH:52]=[CH:51][CH:50]=[CH:49][CH:48]=2)[C:11]([NH:13][C@@H:14]([CH2:36][C:37]2[CH:42]=[C:41]([F:43])[CH:40]=[C:39]([F:44])[CH:38]=2)[C@@H:15]([C@H:17]2[CH2:22][CH2:21][CH2:20]C[N:18]2C(C2C=CC=CC=2)C2C=CC=CC=2)[OH:16])=[O:12])[C:6]1=[O:53])(=[O:3])[CH3:2].N[C@@H](CC1C=C(F)C=C(F)C=1)[C@@H]([C@@H]1N(C(C2C=CC=CC=2)C2C=CC=CC=2)C[C@@H](O)C1)[OH:61].FC1C=C(C=C(F)C=1)C[C@H]1[C@@H]([C@H]2C[C@H](O)CN2C(C2C=CC=CC=2)C2C=CC=CC=2)OC(=O)N1.[Li+].[OH-]>CCO.O>[C:1]([NH:4][C@:5]1([C@@H:54]([CH2:56][CH3:57])[CH3:55])[CH2:9][CH2:8][N:7]([C@@H:10]([CH2:45][CH2:46][C:47]2[CH:48]=[CH:49][CH:50]=[CH:51][CH:52]=2)[C:11]([NH:13][C@@H:14]([CH2:36][C:37]2[CH:38]=[C:39]([F:44])[CH:40]=[C:41]([F:43])[CH:42]=2)[C@H:15]([OH:16])[C@H:17]2[CH2:22][C@H:21]([OH:61])[CH2:20][NH:18]2)=[O:12])[C:6]1=[O:53])(=[O:3])[CH3:2]参加物
反応物 4
生成物 1
試薬・触媒・溶媒 2
実験手順
Step 15 (A): (3S,5R)-5-((1S,2S)-2-amino-3-(3,5-difluorophenyl)-1-hydroxypropyl)-1-benzhydrylpyrrolidin-3-ol. To a solution of (4S,5S)-4-(3,5-difluorobenzyl)-5-((2R,4S)-1-benzhydryl-4-hydroxypyrrolidin-2-yl)oxazolidin-2-one (Preparation K, 60 mg, 0.129 mmol) in EtOH (5 mL) was added a solution of LiOH (62 mg, 2.58 mmol) in H2O (1.25 mL). This reaction mixture was stirred at reflux for 4 h. After cooling down to rt, the mixture was concentrated to remove EtOH and H2O was added followed by 1N HCl (8 mL) solution and pH 7 buffer. The mixture was extracted with ethyl acetate and the organic phase was washed with sat. aqueous NaCl, dried (MgSO4), and concentrated in vacuo to give the title compound (47.3 mg, 84% yield) as an opaque oil: 1H NMR (CDCl3, 300 MHz) δ 2.32-2.39 (1H, m), 2.49-2.62 (3H, m), 2.79-2.80 (1H, m), 3.18 (1H, d, J=12 Hz), 3.49-3.58 (2H, m), 4.28 (1H, t, J=6 Hz), 4.63 (1H, s), 5.55 (1H, s), 5.96 (4H, brd s), 6.62-6.68 (3H, m), 7.20-7.36 (6H, m), 7.77 (4H, d, J=6 Hz). HPLC retention time: 1.20 min (method A). MS (ESI) (M+H)+ 439.16.
後処理
- temperatureat reflux for 4 h
- concentrationthe mixture was concentrated
- customto remove EtOH and H2O
- additionwas added
- extractionThe mixture was extracted with ethyl acetate
- washthe organic phase was washed with sat. aqueous NaCl
- dry with materialdried (MgSO4)
- concentrationconcentrated in vacuo
出典と根拠
- ORDレコード
- ord-bcf57ec2f7334e4f96f692e035e19d03
- 出典データセット
- uspto-grants-2008_06
- 特許番号
- US07388007B2
反応ノート
読み込み中…