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Ethanol → HCID 57827634, Verbindung

HRID 1842067
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1842067
[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1B(O)O.FC(F)(F)S(O[C:17]1[CH2:21][CH2:20][CH2:19][C:18]=1[C:22]([O:24][CH2:25][CH3:26])=[O:23])(=O)=O.C(O)C.C(=O)([O-])[O-].[Na+].[Na+]>C1(C)C=CC=CC=1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:17]1[CH2:21][CH2:20][CH2:19][C:18]=1[C:22]([O:24][CH2:25][CH3:26])=[O:23]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 702EthanolHCID 10340Sodium CarbonateHCID 27343542-Fluorophenylboronic acidHCID 2779887Ethyl 2-[(trifluoromethanesulfonyl)oxy]cyclopent-1-ene-1-carboxylate

Produkt 1

HCID 57827634HCID 57827634, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418397
HCID 178418397, Verbindung
Katalysator
HCID 1140TolueneLösungsmittel

Reaktionsbedingungen

Temperatur
85 °C

Versuchsvorschrift

2-Fluorobenzeneboronic acid (4.48 g) and tetrakis(triphenylphosphine)palladium (740 mg) were added to a solution of ethyl 2-trifluoromethanesulfonyloxycyclopent-1-enecarboxylate obtained in Preparation Example 3-(1) in toluene. Then, ethanol (100 mL) and a 1 N sodium carbonate solution (32 mL) were added to the reaction solution, followed by replacement of the reaction atmosphere with nitrogen. The reaction solution was heated to 85° C. and stirred overnight. The reaction solution was cooled to room temperature, followed by extraction with ethyl acetate. The organic layer was dried over anhydrous magnesium sulfate. The drying agent was removed by filtration and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography to obtain the title compound (7.60 g).

Aufarbeitung

  1. customfollowed by replacement of the reaction atmosphere with nitrogen
  2. temperatureThe reaction solution was cooled to room temperature
  3. extractionfollowed by extraction with ethyl acetate
  4. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  5. customThe drying agent was removed by filtration
  6. concentrationthe filtrate was concentrated under reduced pressure
  7. customThe residue was purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-6b33bfbde43e44f683c23bd8cf5aa484
Quelldatensatz
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08946211B2

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