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Toluene → 1-Phenylisoquinoline

HRID 857820
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 857820
[C:1]1(B(O)O)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.Cl[C:11]1[C:20]2[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=2)[CH:14]=[CH:13][N:12]=1.C1(C)C=CC=CC=1.C(=O)([O-])[O-].[Na+].[Na+]>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.C(O)C>[C:1]1([C:11]2[C:20]3[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=3)[CH:14]=[CH:13][N:12]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 1140TolueneHCID 10340Sodium CarbonateHCID 66827Phenylboronic AcidHCID 140539Isoquinoline, 1-chloro-

Produkt 1

HCID 1378821-PhenylisoquinolineAusbeute 43 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418397
HCID 178418397, Verbindung
Katalysator
HCID 702EthanolLösungsmittel

Versuchsvorschrift

In a 100 ml-three-necked flask, 3.04 g (24.9 mmole) of phenylboronic acid (made by Tokyo Kasei), 4.0 g of (25.0 mmole) of 1-chloroisoquinoline, 25 ml of toluene, 12.5 ml of ethanol and 25 ml of 2M-sodium carbonate aqueous solution were placed and stirred at room temperature under nitrogen stream, and 0.98 g (0.85 mmole) of tetrakis(triphenylphosphine)palladium (0) was added thereto. Thereafter, reflux under stirring was performed for 8 hours under nitrogen stream. After completion of the reaction, the reaction product was cooled and extracted by addition of cold water and toluene. The organic layer was washed with saline water and dried on magnesium sulfate, followed by removal of the solvent under a reduced pressure to provide dry solid. The residue was purified by silica gel column chromatography (eluent: chloroform/methanol=10/1) to obtain 2.20 g (yield=43.0%) of 1-phenylisoquinoline. FIG. 7 shows a 1H-NMR spectrum of a solution of the compound in heavy chloroform.

Aufarbeitung

  1. additionwas added
  2. temperatureThereafter, reflux
  3. customAfter completion of the reaction
  4. temperaturethe reaction product was cooled
  5. extractionextracted by addition of cold water and toluene
  6. washThe organic layer was washed with saline water
  7. customdried on magnesium sulfate
  8. customfollowed by removal of the solvent under a reduced pressure
  9. customto provide
  10. customdry solid
  11. customThe residue was purified by silica gel column chromatography (eluent: chloroform/methanol=10/1)

Quellen und Nachweise

ORD-Eintrag
ord-cc5c7ff187154fc8bf306ff99531e5fb
Quelldatensatz
uspto-grants-2006_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07147935B2

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