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Tetrabutylammonium Fluoride → Methyl 3-[[6-[3-(hydroxymethyl)-1-piperidyl]-3-methyl-pyridine-2-carbonyl]amino]-2,4-dimethyl-benzoate

HRID 1427119
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HRID 1427119 반응식
[Si]([O:8][CH2:9][CH:10]1[CH2:15][CH2:14][CH2:13][N:12]([C:16]2[N:21]=[C:20]([C:22]([NH:24][C:25]3[C:26]([CH3:36])=[C:27]([CH:32]=[CH:33][C:34]=3[CH3:35])[C:28]([O:30][CH3:31])=[O:29])=[O:23])[C:19]([CH3:37])=[CH:18][CH:17]=2)[CH2:11]1)(C(C)(C)C)(C)C.[N+](CCCC)(CCCC)(CCCC)CCCC.[F-]>C1COCC1>[OH:8][CH2:9][CH:10]1[CH2:15][CH2:14][CH2:13][N:12]([C:16]2[N:21]=[C:20]([C:22]([NH:24][C:25]3[C:26]([CH3:36])=[C:27]([CH:32]=[CH:33][C:34]=3[CH3:35])[C:28]([O:30][CH3:31])=[O:29])=[O:23])[C:19]([CH3:37])=[CH:18][CH:17]=2)[CH2:11]1
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HCID 2724141Tetrabutylammonium FluorideHCID 86707348Methyl 3-[[6-[3-[[tert-butyl(dimethyl)silyl]oxymethyl]-1-piperidyl]-3-methyl-pyridine-2-carbonyl]amino]-2,4-dimethyl-benzoate

생성물 1

HCID 86707349Methyl 3-[[6-[3-(hydroxymethyl)-1-piperidyl]-3-methyl-pyridine-2-carbonyl]amino]-2,4-dimethyl-benzoate수율 115.1%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

실험 절차

To a solution of methyl 3-[[6-[3-[[tert-butyl(dimethyl)silyl]oxymethyl]-1-piperidyl]-3-methyl-pyridine-2-carbonyl]amino]-2,4-dimethyl-benzoate (0.20 g, 0.38 mmol) in THF (4 ml) is added Bu4NF 1.0 M in THF (1.5 ml) at 0° C. The reaction mixture is gradually warmed to ambient temperature. After 8 hours, the reaction mixture is diluted with ice-water and extracted with ethyl acetate. The organic layers are combined, dried over sodium sulfate, filtered, and concentrated under reduced pressure. The resulting residue is purified by flash chromatography (neutral alumina) over a gradient using 50% ethyl acetate in hexane to afford the title compound as a white solid (0.18 g, 115%). Mass spectrum (m/z): 412.2 (M+1).

후처리

  1. extractionextracted with ethyl acetate
  2. dry with materialdried over sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customThe resulting residue is purified by flash chromatography (neutral alumina) over a gradient

출처 및 근거

ORD 기록
ord-2e231994c4034df9a744b4d696988668
출처 데이터셋
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08933098B2

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