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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-phenoxypyrrolidin-2-yl)propan-2-yl)-4-phenylbutanamide

HRID 132951
ノート
印刷プレビュー

反応式

HRID 132951 の反応式
[NH2:1][C@@H:2]([CH2:30][C:31]1[CH:36]=[C:35]([F:37])[CH:34]=[C:33]([F:38])[CH:32]=1)[C@@H:3]([C@H:5]1[CH2:9][C@H:8]([O:10][C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)[CH2:7][N:6]1C(C1C=CC=CC=1)C1C=CC=CC=1)[OH:4].[C:39]([NH:42][C@:43]1([C@@H:92]([CH2:94][CH3:95])[CH3:93])[CH2:47][CH2:46][N:45]([C@@H:48]([CH2:83][CH2:84][C:85]2[CH:90]=[CH:89][CH:88]=[CH:87][CH:86]=2)[C:49](N[C@@H](CC2C=C(F)C=C(F)C=2)[C@@H]([C@H]2CCCCN2C(C2C=CC=CC=2)C2C=CC=CC=2)O)=[O:50])[C:44]1=[O:91])(=[O:41])[CH3:40].[Li+].[OH-].CO.C(Cl)(Cl)Cl>CCO.O>[C:39]([NH:42][C@:43]1([C@@H:92]([CH2:94][CH3:95])[CH3:93])[CH2:47][CH2:46][N:45]([C@@H:48]([CH2:83][CH2:84][C:85]2[CH:86]=[CH:87][CH:88]=[CH:89][CH:90]=2)[C:49]([NH:1][C@@H:2]([CH2:30][C:31]2[CH:36]=[C:35]([F:37])[CH:34]=[C:33]([F:38])[CH:32]=2)[C@H:3]([OH:4])[C@H:5]2[CH2:9][C@H:8]([O:10][C:11]3[CH:12]=[CH:13][CH:14]=[CH:15][CH:16]=3)[CH2:7][NH:6]2)=[O:50])[C:44]1=[O:91])(=[O:41])[CH3:40]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 3939Lithium HydroxideHCID 21584188Chloroform methanolHCID 69194179(S)-2-((S)-3-acetamido-3-((R)-sec-butyl)-2-oxopyrrolidin-1-yl)-N-((1S,2S)-1-((R)-1-benzhydrylpiperidin-2-yl)-3-(3,5-difluorophenyl)-1-hydroxypropan-2-yl)-4-phenylbutanamideHCID 69195486(1S,2S)-2-amino-1-((2R,4S)-1-benzhydryl-4-phenoxypyrrolidin-2-yl)-3-(3,5-difluorophenyl)propan-1-ol

生成物 1

HCID 69196467
(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-phenoxypyrrolidin-2-yl)propan-2-yl)-4-phenylbutanamide
収率 73%

試薬・触媒・溶媒 2

HCID 702Ethanol溶媒HCID 962Water溶媒

実験手順

Step 9 (B): (1S,2S)-2-amino-1-((2R,4S)-1-benzhydryl-4-phenoxypyrrolidin-2-yl)-3-(3,5-difluorophenyl)propan-1-ol. To a solution of (4S,5S)-4-(3,5-difluorobenzyl)-5-((2R,4S)-1-benzhydryl-4-phenoxypyrrolidin-2-yl)oxazolidin-2-one (Step 9 (A), 57 mg, 0.11 mmol) in EtOH (5 mL) was added a solution of LiOH (53 mg, 2.2 mmol) in H2O (1.5 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 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. Flash chromatography (silica gel, 0-10% MeOH/chloroform) gave 41.1 mg (73% yield) of the title compound: 1H NMR (CDCl3, 300 MHz) δ 2.05-2.12 (1H, m), 2.21-2.30 (1H, m), 2.39 (1H, m), 2.62-2.72 (2H, m), 2.90-2.99 (2H, m), 3.39 (1H, dd, J=3, 12 Hz), 3.69 (1H, m), 4.80 (1H, m), 5.07 (1H, s), 6.65-6.68 (3H, m), 6.82 (2H, m), 6.93 (1H, m), 7.14 (1H, m), 7.20-7.31 (7H, m), 7.35-7.38 (4H, m). HPLC retention time: 1.65 min (method C). MS (ESI) (M+H)+ 515.35.

後処理

  1. temperatureat reflux for 4 h
  2. concentrationthe mixture was concentrated
  3. customto remove EtOH and H2O
  4. additionwas added
  5. extractionThe mixture was extracted with ethyl acetate
  6. washthe organic phase was washed with sat. aqueous NaCl
  7. dry with materialdried (MgSO4)
  8. concentrationconcentrated in vacuo

出典と根拠

ORDレコード
ord-d77bfa96eb004beaac54efffcf592249
出典データセット
uspto-grants-2008_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07388007B2

反応ノート

読み込み中…

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