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Methyl iodide → 1-(4-Benzyl-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidin-3-yl)-2-(4-methylphenyl)-1-propanone

HRID 2108573
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HRID 2108573 반응식
[CH2:1]([N:8]1[CH:13]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[CH2:12][C:11]([CH3:21])([CH3:20])[N:10]2[N:22]=[CH:23][C:24]([C:25](=[O:34])[CH2:26][C:27]3[CH:32]=[CH:31][C:30]([CH3:33])=[CH:29][CH:28]=3)=[C:9]12)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.I[CH3:36].[H-].[Na+]>C1COCC1>[CH2:1]([N:8]1[CH:13]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[CH2:12][C:11]([CH3:21])([CH3:20])[N:10]2[N:22]=[CH:23][C:24]([C:25](=[O:34])[CH:26]([C:27]3[CH:32]=[CH:31][C:30]([CH3:33])=[CH:29][CH:28]=3)[CH3:36])=[C:9]12)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 576320601-(4-Benzyl-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidin-3-yl)-2-(4-methylphenyl)ethanone

생성물 1

HCID 576314041-(4-Benzyl-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidin-3-yl)-2-(4-methylphenyl)-1-propanone수율 64%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

To 0.64 g (1.42 mmol) of 4 dissolved in 10 mL of THF was added 0.177 mL (2.85 mmol) of iodomethane followed by 0.11 g (2.8 mmol) of sodium hydride (60% dispersion in mineral oil). After stirring at room temperature for 2 h, the reaction was quenched by addition of approximately 2 mL of saturated aqueous ammonium chloride. The reaction was then diluted with AcOEt and dried over sodium sulfate. Filtering the solution through a short plug of silica gel and concentrating in vacuo provided the crude product. Purification by flash chromatography eluting with 90% hexanes/ethyl acetate gave 0.42 g (64%) of the title compound as a cream colored powder. MS Calcd.: 463. Found: 464 (M+H).

후처리

  1. customthe reaction was quenched by addition of approximately 2 mL of saturated aqueous ammonium chloride
  2. additionThe reaction was then diluted with AcOEt
  3. dry with materialdried over sodium sulfate
  4. filtrationFiltering the solution through a short plug of silica gel
  5. concentrationconcentrating in vacuo
  6. customprovided the crude product
  7. customPurification by flash chromatography
  8. washeluting with 90% hexanes/ethyl acetate

출처 및 근거

ORD 기록
ord-778e80461db0434db0794761a3c768c9
출처 데이터셋
uspto-grants-2009_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07514441B2

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