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2-Methyl-2-butene → 4-[3-(5-Fluoro-2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-2'-methylbiphenyl-2-carboxylic acid

HRID 1950890
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1950890
Cl([O-])=O.[Na+].P([O-])(O)(O)=[O:6].[Na+].CC(=CC)C.[F:16][C:17]1[CH:18]=[CH:19][C:20]([O:43][CH3:44])=[C:21]([C:23]2[N:27]=[C:26]([C:28]3[CH:29]=[C:30]([CH:41]=[O:42])[C:31]([C:34]4[CH:39]=[CH:38][CH:37]=[CH:36][C:35]=4[CH3:40])=[CH:32][CH:33]=3)[O:25][N:24]=2)[CH:22]=1>O.O1CCOCC1>[F:16][C:17]1[CH:18]=[CH:19][C:20]([O:43][CH3:44])=[C:21]([C:23]2[N:27]=[C:26]([C:28]3[CH:29]=[C:30]([C:41]([OH:6])=[O:42])[C:31]([C:34]4[CH:39]=[CH:38][CH:37]=[CH:36][C:35]=4[CH3:40])=[CH:32][CH:33]=3)[O:25][N:24]=2)[CH:22]=1
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Komponenten

7

Edukt 4

HCID 105532-Methyl-2-buteneHCID 23668197Sodium ChloriteHCID 23672064Monosodium phosphateHCID 866823724-[3-(5-Fluoro-2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-2'-methylbiphenyl-2-carbaldehyde

Produkt 1

HCID 252554834-[3-(5-Fluoro-2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-2'-methylbiphenyl-2-carboxylic acidAusbeute 89 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

A solution of sodium chlorite (59 mg; 0.65 mmol; 5.5 eq.) and sodium dihydrogenphosphate (51 mg; 0.43 mmol; 3.6 eq.) in water (1 mL) was added to a mixture of 2-methyl-2-butene (0.13 mL) and 4-[3-(5-fluoro-2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-2′-methylbiphenyl-2-carbaldehyde (46.2 mg; 0.12 mmol; 1 eq.) in dioxane (1 mL) and the reaction was stirred at room temperature for 16 hours. The suspension was partitioned between water and ethyl acetate. The aqueous phase was acidified to pH 3-4 with acetic acid and extracted with ethyl acetate. The combined organic phase was washed with brine, dried over magnesium sulfate and concentrated in vacuo to afford the title compound (43 mg; 89%) as a white solid.

Aufarbeitung

  1. customThe suspension was partitioned between water and ethyl acetate
  2. extractionextracted with ethyl acetate
  3. washThe combined organic phase was washed with brine
  4. dry with materialdried over magnesium sulfate
  5. concentrationconcentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-5956a4e1a4134c92a02f0d77f6a9e197
Quelldatensatz
uspto-grants-2013_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08404676B2

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