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Sodium hydride → (S)-Ethyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-5-methyl-2-(((5-methyl-2-((S)-pent-4-en-2-yloxy)benzyl)oxy)methyl)pyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate

HRID 921137
ノート
印刷プレビュー

反応式

HRID 921137 の反応式
[CH2:1]([O:4][C:5]1([CH3:34])[CH2:10][CH2:9][N:8]([C:11]2[N:16]3[N:17]=[C:18]([CH2:20]I)[CH:19]=[C:15]3[N:14]=[C:13]([CH3:22])[C:12]=2[C@H:23]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])[C:24]([O:26][CH2:27][CH3:28])=[O:25])[CH2:7][CH2:6]1)[CH:2]=[CH2:3].[CH3:35][C:36]1[CH:37]=[CH:38][C:39]([O:44][C@H:45]([CH2:47][CH:48]=[CH2:49])[CH3:46])=[C:40]([CH2:42][OH:43])[CH:41]=1.[H-].[Na+]>CN(C=O)C>[CH2:1]([O:4][C:5]1([CH3:34])[CH2:10][CH2:9][N:8]([C:11]2[N:16]3[N:17]=[C:18]([CH2:20][O:43][CH2:42][C:40]4[CH:41]=[C:36]([CH3:35])[CH:37]=[CH:38][C:39]=4[O:44][C@H:45]([CH2:47][CH:48]=[CH2:49])[CH3:46])[CH:19]=[C:15]3[N:14]=[C:13]([CH3:22])[C:12]=2[C@H:23]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])[C:24]([O:26][CH2:27][CH3:28])=[O:25])[CH2:7][CH2:6]1)[CH:2]=[CH2:3]
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 24758Sodium hydrideHCID 118307102(S)-(5-methyl-2-(pent-4-en-2-yloxy)phenyl)methanolHCID 118318796(S)-ethyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(iodomethyl)-5-methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate

生成物 1

HCID 131734906(S)-Ethyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-5-methyl-2-(((5-methyl-2-((S)-pent-4-en-2-yloxy)benzyl)oxy)methyl)pyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate収率 22.3%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒2 回

実験手順

(S)-Ethyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(iodomethyl)-5-methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate (0.45 g, 0.770 mmol) was dissolved in 1 mL DMF to this was added (S)-(5-methyl-2-(pent-4-en-2-yloxy)phenyl)methanol (0.191 g, 0.924 mmol) as a solution in 1 mL DMF. NaH-60% wt/wt in oil (47 mg, 1.16 mmol) was added and the reaction mixture was stirred for 5 hours. The reaction was quenched with 1N HCl then transferred to a separatory funnel where the product was extracted with ethyl acetate. The organic solution was dried over Na2SO4. After filtration the solvent was removed under vacuum and the product purified by silica gel chromatography using a Biotage apparatus to isolate the title compound as an oil (114 mg). 1H NMR (400 MHz, CDCl3) δ 1.21-1.24 (15H, overlapping s and m), 1.32 (3H, d), 1.65-1.8 (4H, br m), 2.35 (3H, s), 2.50 (2H, m), 2.61 (3H, s), 3.0-3.5 (4H, very broad m), 3.75 (2H, s), 4.21 (2H, m), 4.45 (1H, m), 4.66 (2H, br s), 4.77 (2H, s), 5.06-5.22 (4H, overlapping m), 5.32 (1H, s), 5.85-6.2 (2H, overlapping m), 6.59 (1H, s), 6.71 (1H, s), 6.77 (1H, d), 7.34 (1H, d).

後処理

  1. customThe reaction was quenched with 1N HCl
  2. customthen transferred to a separatory funnel
  3. extractionwhere the product was extracted with ethyl acetate
  4. dry with materialThe organic solution was dried over Na2SO4
  5. filtrationAfter filtration the solvent
  6. customwas removed under vacuum
  7. customthe product purified by silica gel chromatography

出典と根拠

ORDレコード
ord-9dff74479d8d4300952c5d39b1994a49
出典データセット
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09273067B2

反応ノート

読み込み中…

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