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1-Chloro-4-methoxyisoquinoline → (2S,4R)-1-((2S,3R)-2-(tert-butoxycarbonylamino)-3,7-dimethylnon-8-enoyl)-4-(4-methoxyisoquinolin-1-yloxy)pyrrolidine-2-carboxylic acid

HRID 2361593
ノート
印刷プレビュー

反応式

HRID 2361593 の反応式
[C:1]([O:5][C:6]([NH:8][CH:9]([C@H:21]([CH3:29])[CH2:22][CH2:23][CH2:24][CH:25]([CH3:28])[CH:26]=[CH2:27])[C:10]([N:12]1[CH2:16][C@H:15]([OH:17])[CH2:14][C@H:13]1[C:18]([OH:20])=[O:19])=[O:11])=[O:7])([CH3:4])([CH3:3])[CH3:2].Cl[C:31]1[C:40]2[C:35](=[CH:36][CH:37]=[CH:38][CH:39]=2)[C:34]([O:41][CH3:42])=[CH:33][N:32]=1.CC([O-])(C)C.[K+]>CS(C)=O>[C:1]([O:5][C:6]([NH:8][C@@H:9]([C@H:21]([CH3:29])[CH2:22][CH2:23][CH2:24][CH:25]([CH3:28])[CH:26]=[CH2:27])[C:10]([N:12]1[CH2:16][C@H:15]([O:17][C:31]2[C:40]3[C:35](=[CH:36][CH:37]=[CH:38][CH:39]=3)[C:34]([O:41][CH3:42])=[CH:33][N:32]=2)[CH2:14][C@H:13]1[C:18]([OH:20])=[O:19])=[O:11])=[O:7])([CH3:4])([CH3:3])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 222501441-Chloro-4-methoxyisoquinolineHCID 23665647Potassium tert-butoxideHCID 86685808(2S,4R)-1-((3R)-2-((tert-butoxycarbonyl)amino)-3,7-dimethylnon-8-enoyl)-4-hydroxypyrrolidine-2-carboxylic acid

生成物 1

HCID 86685807(2S,4R)-1-((2S,3R)-2-(tert-butoxycarbonylamino)-3,7-dimethylnon-8-enoyl)-4-(4-methoxyisoquinolin-1-yloxy)pyrrolidine-2-carboxylic acid収率 40%

試薬・触媒・溶媒 1

HCID 679Dimethyl Sulfoxide溶媒

実験手順

To a solution of (2S,4R)-1-((3R)-2-((tert-butoxycarbonyl)amino)-3,7-dimethylnon-8-enoyl)-4-hydroxypyrrolidine-2-carboxylic acid (1.5 g, 3.6 mmol) in DMSO was added 1-chloro-4-methoxyisoquinoline (840 mg, 4.4 mmol) followed by t-BuOK (1M sol. in THF, 18 mL) at room temperature under nitrogen atmosphere. The reaction mass was stirred at room temperature for 4 h. The reaction mass was quenched with aqueous citric acid solution and extracted with ethyl acetate. The combined organic layer was dried over anhydrous Na2SO4 and concentrated under reduced pressure to get crude compound. The crude compound was purified by combiflash to get desired product (800 mg, 40%) as off-white solid. 1H NMR (400 MHz, CDCl3): δ ppm 8.11-8.09 (m, 2H), 7.70-7.66 (t, J=7.4 Hz, 1H), 7.56-7.51 (t, J=8.0 Hz, 1H), 7.47 (s, 1H), 5.78 (bs, 1H), 5.69-5.65 (m, 1H), 5.14-5.11 (m, 1H), 4.96-4.88 (m, 3H), 4.43-4.41 (m, 1H), 4.27-4.24 (m, 1H), 3.99 (s, 4H), 2.75-2.73 (m, 1H), 2.67-2.65 (m, 1H), 2.10 (bs, 1H), 1.88-1.85 (m, 2H), 1.31 (s, 9H), 1.24 (s, 2H), 0.98-0.96 (m, 4H), 0.91-0.86 (m, 4H) MS: MS m/z 568.2 (M++1).

後処理

  1. customThe reaction mass was quenched with aqueous citric acid solution
  2. extractionextracted with ethyl acetate
  3. dry with materialThe combined organic layer was dried over anhydrous Na2SO4
  4. concentrationconcentrated under reduced pressure
  5. customto get crude compound
  6. customThe crude compound was purified by combiflash

出典と根拠

ORDレコード
ord-1ae8ccbd03e24dd1a9114dfe13150b86
出典データセット
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08691757B2

反応ノート

読み込み中…

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