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Sodium hydride → (S)-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)acetic acid

HRID 921121
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HRID 921121 반응식
[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]CC)=[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.CCOC(C)=O>[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]([CH3:32])([CH3:31])[CH3:33])[C:24]([OH:26])=[O:25])[CH2:7][CH2:6]1)[CH:2]=[CH2:3]
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참가 물질

6

반응물 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

생성물 1

HCID 118307085(S)-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)acetic acid수율 15.2%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

To a solution of (S)-ethyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(iodomethyl)-5-methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate (0.20 g, 0.342 mmol) and (S)-(5-methyl-2-(pent-4-en-2-yloxy)phenyl)methanol (0.085 g, 0.411 mmol) in DMF (4 ml) was added sodium hydride (0.021 g, 0.513 mmol) and the mixture was stirred at rt. After 5 h, the reaction was diluted with EtOAc and washed with 1N HCl, water then brine. The organic phase was dried (Na2SO4), filtered and concentrated. The yellow residue was purified by flash chromatography (Biotage; 10% MeOH/DCM; 10 CV) to give (S)-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)acetic acid (32.7 mg, 0.052 mmol, 15.05% yield) as a pale yellow oil. LCMS (M+H) calcd for C36H51N4O6: 635.38. found: 635.5.

후처리

  1. washwashed with 1N HCl, water
  2. dry with materialThe organic phase was dried (Na2SO4)
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe yellow residue was purified by flash chromatography (Biotage; 10% MeOH/DCM; 10 CV)

출처 및 근거

ORD 기록
ord-da534b0a506145a48b4a32a107e8156f
출처 데이터셋
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09273067B2

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