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Probucol → Methyl 4-[4-[[1-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]thio]-1-methylethyl]thio]-2,6-bis(1,1-dimethylethyl)phenoxy]butyrate

HRID 434108
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 434108
[CH3:1][C:2]([C:5]1[CH:6]=[C:7]([S:16][C:17]([S:20][C:21]2[CH:26]=[C:25]([C:27]([CH3:30])([CH3:29])[CH3:28])[C:24]([OH:31])=[C:23]([C:32]([CH3:35])([CH3:34])[CH3:33])[CH:22]=2)([CH3:19])[CH3:18])[CH:8]=[C:9]([C:12]([CH3:15])([CH3:14])[CH3:13])[C:10]=1[OH:11])([CH3:4])[CH3:3].Cl[CH2:37][CH2:38][CH2:39][C:40]([O:42][CH3:43])=[O:41].[F-].[K+]>CN(C=O)C>[CH3:4][C:2]([C:5]1[CH:6]=[C:7]([S:16][C:17]([S:20][C:21]2[CH:22]=[C:23]([C:32]([CH3:35])([CH3:34])[CH3:33])[C:24]([O:31][CH2:37][CH2:38][CH2:39][C:40]([O:42][CH3:43])=[O:41])=[C:25]([C:27]([CH3:30])([CH3:29])[CH3:28])[CH:26]=2)([CH3:18])[CH3:19])[CH:8]=[C:9]([C:12]([CH3:13])([CH3:14])[CH3:15])[C:10]=1[OH:11])([CH3:1])[CH3:3]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 4912ProbucolHCID 76612Butanoic acid, 4-chloro-, methyl esterHCID 522689Potassium Fluoride

Produkt 1

HCID 18756961Methyl 4-[4-[[1-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]thio]-1-methylethyl]thio]-2,6-bis(1,1-dimethylethyl)phenoxy]butyrateAusbeute 16,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Versuchsvorschrift

Probucol (5, 9.69 mmol) and methyl 4-chlorobutyrate (3.1 g. 1.4 eq) were stirred in DMF (15 mL) and potassium fluoride on alumina (7 g, 5 eq) was added. The mixture was stirred at room temperature under nitrogen for 20.5 hours. It was filtered, diluted with ethyl acetate (100 mL), washed with water and brine, dried over sodium sulfate, and evaporated. Chromatography (MPLC, 10% to 80% of dichloromethane in hexanes) gave 0.98 g of methyl 4-[4-[[1-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]thio]-1-methylethyl]thio]-2,6-bis(1,1-dimethylethyl)phenoxy]butyrate.

Aufarbeitung

  1. filtrationIt was filtered
  2. additiondiluted with ethyl acetate (100 mL)
  3. washwashed with water and brine
  4. dry with materialdried over sodium sulfate
  5. customevaporated

Quellen und Nachweise

ORD-Eintrag
ord-c859c6d41db8439b99d062f21b4929e4
Quelldatensatz
uspto-grants-2003_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06670398B2

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