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4-((((1,1-Dimethylethyl)(dimethyl)silyl)oxy)methyl)-2'-fluoro-5'-(methyloxy)-1,1'-biphenyl-2-carbaldehyde → 1-(4-((((1,1-Dimethylethyl)(dimethyl)silyl)oxy)methyl)-2'-fluoro-5'-(methyloxy)-1,1'-biphenyl-2-yl)-2-methyl-2-propen-1-ol

HRID 1662532
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1662532
[CH3:1][C:2]([Si:5]([CH3:26])([CH3:25])[O:6][CH2:7][C:8]1[CH:9]=[C:10]([CH:23]=[O:24])[C:11]([C:14]2[CH:19]=[C:18]([O:20][CH3:21])[CH:17]=[CH:16][C:15]=2[F:22])=[CH:12][CH:13]=1)([CH3:4])[CH3:3].[C:27]([Mg]Br)([CH3:29])=[CH2:28]>C1COCC1>[CH3:4][C:2]([Si:5]([CH3:25])([CH3:26])[O:6][CH2:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[CH:19]=[C:18]([O:20][CH3:21])[CH:17]=[CH:16][C:15]=2[F:22])=[C:10]([CH:23]([OH:24])[C:27]([CH3:29])=[CH2:28])[CH:9]=1)([CH3:1])[CH3:3]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 577066184-((((1,1-Dimethylethyl)(dimethyl)silyl)oxy)methyl)-2'-fluoro-5'-(methyloxy)-1,1'-biphenyl-2-carbaldehydeHCID 178456138HCID 178456138, Verbindung

Produkt 1

HCID 577055531-(4-((((1,1-Dimethylethyl)(dimethyl)silyl)oxy)methyl)-2'-fluoro-5'-(methyloxy)-1,1'-biphenyl-2-yl)-2-methyl-2-propen-1-olAusbeute 90 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Reaktionsbedingungen

Temperatur
-78 °C

Versuchsvorschrift

A 250 mL round bottom flask was charged with 83.18C (1.05 g, 2.80 mmol) and THF (15 mL) and cooled to −78° C. under N2. To the cold solution was added isopropenylmagnesium bromide (0.5 M in THF) (available from Aldrich) (11.2 mL, 5.61 mmol) dropwise. The mixture was stirred for 30 minutes at −78° C. The cooling bath was removed, and the mixture was stirred for 30 minutes at ambient temperature. The reaction was quenched with saturated aqueous NH4Cl and diluted with EtOAc. The organic phase was washed with water and brine, dried (MgSO4), and concentrated. The residue was purified by silica gel flash chromatography (0-15% EtOAc/hexane) to afford 83.18D (1.05 g, 90% yield) as a colorless oil.

Aufarbeitung

  1. customThe cooling bath was removed
  2. stirringthe mixture was stirred for 30 minutes at ambient temperature
  3. customThe reaction was quenched with saturated aqueous NH4Cl
  4. additiondiluted with EtOAc
  5. washThe organic phase was washed with water and brine
  6. dry with materialdried (MgSO4)
  7. concentrationconcentrated
  8. customThe residue was purified by silica gel flash chromatography (0-15% EtOAc/hexane)

Quellen und Nachweise

ORD-Eintrag
ord-d7580650ea614659a0947b66bb26ff6f
Quelldatensatz
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08030354B2

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