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Potassium bisulfate → HCID 10526643, Verbindung

HRID 1707817
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1707817
[CH3:1][Mg]Br.[F:4][C:5]1[CH:10]=[CH:9][C:8]([C@H:11]([C:21]2[C:26]([O:27][CH3:28])=[C:25]([CH3:29])[C:24]([CH3:30])=[C:23]([CH:31]=[O:32])[C:22]=2[CH3:33])[CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][C:17]([O:19][CH3:20])=[O:18])=[CH:7][CH:6]=1.S([O-])(O)(=O)=O.[K+]>O1CCCC1>[F:4][C:5]1[CH:6]=[CH:7][C:8]([C@H:11]([C:21]2[C:26]([O:27][CH3:28])=[C:25]([CH3:29])[C:24]([CH3:30])=[C:23]([CH:31]([OH:32])[CH3:1])[C:22]=2[CH3:33])[CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][C:17]([O:19][CH3:20])=[O:18])=[CH:9][CH:10]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 516920Potassium bisulfateHCID 10787945methyl (R)-7-(4-fluorophenyl)-7-(3-formyl-6-methoxy-2,4,5-trimethylphenyl)heptanoateHCID 178418573HCID 178418573, Verbindung

Produkt 1

HCID 10526643HCID 10526643, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel3×

Versuchsvorschrift

To a solution of methylmagnesium bromide in tetrahydrofuran (1 M, 54.3 ml) was added anhydrous tetrahydrofuran (90 ml). To the solution was added dropwise a solution of methyl (R)-7-(4-fluorophenyl)-7-(3-formyl-6-methoxy-2,4,5-trimethylphenyl)heptanoate (4.5 g, 10.9 mmol) in tetrahydrofuran (20 ml) at -78° C., followed by stirring for 30 minutes at the same temperature. To the reaction mixture, an aqueous solution of potassium hydrogensulfate, followed by subjected to extraction with ethyl acetate. The organic layer was washed with water, an aqueous solution of sodium hydrogencarbonate and water, in the order mentioned, and dried over magnesiumsulfate. The organic layer was distilled off under reduced pressure, and the residue was subjected to a silica gel column chromatography to give methyl (R)-7-(4-fluorophenyl)-7-[3-(1-hydroxyethyl)-6-methoxy-2,4,5-trimethylphenyl]heptanoate (4.4 g). Physico-chemical properties and spectral data of this compound are shown in [Table 5].

Aufarbeitung

  1. extractionby subjected to extraction with ethyl acetate
  2. washThe organic layer was washed with water
  3. dry with materialdried over magnesiumsulfate
  4. distillationThe organic layer was distilled off under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-004ad427518640bcab699488cfe9e807
Quelldatensatz
uspto-grants-1994_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05354913

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