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Tetrabutylammonium Fluoride → Methyl 4-[[5-[3-(hydroxymethyl)-1-piperidyl]-2-methyl-benzoyl]amino]-3,5-dimethyl-benzoate

HRID 1427093
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Reaktionsgleichung

Reaktionsgleichung von HRID 1427093
[Si]([O:8][CH2:9][CH:10]1[CH2:15][CH2:14][CH2:13][N:12]([C:16]2[CH:17]=[CH:18][C:19]([CH3:37])=[C:20]([CH:36]=2)[C:21]([NH:23][C:24]2[C:33]([CH3:34])=[CH:32][C:27]([C:28]([O:30][CH3:31])=[O:29])=[CH:26][C:25]=2[CH3:35])=[O:22])[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[CH:17]=[CH:18][C:19]([CH3:37])=[C:20]([CH:36]=2)[C:21]([NH:23][C:24]2[C:25]([CH3:35])=[CH:26][C:27]([C:28]([O:30][CH3:31])=[O:29])=[CH:32][C:33]=2[CH3:34])=[O:22])[CH2:11]1
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Komponenten

4

Edukt 2

HCID 2724141Tetrabutylammonium FluorideHCID 86707324Methyl 4-[[5-[3-[[tert-butyl(dimethyl)silyl]oxymethyl]-1-piperidyl]-2-methyl-benzoyl]amino]-3,5-dimethyl-benzoate

Produkt 1

HCID 86707325Methyl 4-[[5-[3-(hydroxymethyl)-1-piperidyl]-2-methyl-benzoyl]amino]-3,5-dimethyl-benzoateAusbeute 96,2 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel2×

Versuchsvorschrift

To a solution of methyl 4-[[5-[3-[[tert-butyl(dimethyl)silyl]oxymethyl]-1-piperidyl]-2-methyl-benzoyl]amino]-3,5-dimethyl-benzoate (0.40 g, 0.76 mmol) in THF (10 ml) is added Bu4NF 1.0 M in THF (0.39 g, 1.52 mmol) at 0° C. The reaction mixture is gradually warmed to ambient temperature. After 1 hour, 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 to give a residue. The residue is purified by flash chromatography (silica gel) over a gradient using 4% MeOH in dichloromethane to afford the title compound as a light brown solid (0.30 g, 96%). Mass spectrum (m/z): 411.5 (M+1).

Aufarbeitung

  1. extractionextracted with ethyl acetate
  2. dry with materialdried over sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customto give a residue
  6. customThe residue is purified by flash chromatography (silica gel) over a gradient

Quellen und Nachweise

ORD-Eintrag
ord-2c6d247061f945638aaf4661c01d3fe2
Quelldatensatz
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08933098B2

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