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Ethyl ketone → N-[2-Ethyl-4-methoxy-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-(1-ethylpropyl)amine

HRID 9205
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인쇄 미리보기

반응식

HRID 9205 반응식
[CH2:1]([C:3]1[C:23]([NH2:24])=[C:6]2[C:7]([O:21][CH3:22])=[CH:8][CH:9]=[C:10]([C:11]3[C:16]([CH3:17])=[CH:15][C:14]([CH3:18])=[CH:13][C:12]=3[O:19][CH3:20])[N:5]2[N:4]=1)[CH3:2].[CH3:25][CH2:26][C:27](=O)[CH2:28][CH3:29].C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].[OH-].[Na+]>C(O)(=O)C>[CH2:1]([C:3]1[C:23]([NH:24][CH:27]([CH2:28][CH3:29])[CH2:26][CH3:25])=[C:6]2[C:7]([O:21][CH3:22])=[CH:8][CH:9]=[C:10]([C:11]3[C:16]([CH3:17])=[CH:15][C:14]([CH3:18])=[CH:13][C:12]=3[O:19][CH3:20])[N:5]2[N:4]=1)[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 7288Ethyl ketoneHCID 14798Sodium HydroxideHCID 5049666Sodium triacetoxyborohydrideHCID 219847912-Ethyl-4-methoxy-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-amine

생성물 1

HCID 21984668N-[2-Ethyl-4-methoxy-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-(1-ethylpropyl)amine

시약·촉매·용매 1

HCID 176
Acetic Acid
용매

실험 절차

To a solution of 2-ethyl-4-methoxy-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-amine (100 mg) in acetic acid (10 mL) there was added 3-pentanone (0.04 mL), and then sodium triacetoxyborohydride (85.0 mg) was slowly added at room temperature and the mixture was stirred for 3 hours. A 5 N aqueous sodium hydroxide solution was added while cooling on ice, and then extraction was performed with ethyl acetate, the organic layer was washed with saturated aqueous sodium hydrogencarbonate and brine and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was subjected to silica gel column chromatography (10 g), and the title compound (69 mg) was obtained from the n-hexane:ethyl acetate (5:1) fraction as yellow crystals.

후처리

  1. temperaturewhile cooling on ice
  2. extractionextraction
  3. washthe organic layer was washed with saturated aqueous sodium hydrogencarbonate and brine
  4. dry with materialdried over magnesium sulfate
  5. distillationthe solvent was distilled off under reduced pressure

출처 및 근거

ORD 기록
ord-bf2e18615a834fdc9d01496b0f8b0599
출처 데이터셋
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07091215B2

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