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Toluene → Methyl 2-benzyl-6-methyl-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylate

HRID 750164
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 750164
[CH3:1][O:2][C:3]([C:5]1[N:6]([CH2:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[C:7](=[O:22])[C:8]2[C:13]([C:14]=1[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)=[CH:12][C:11](Br)=[CH:10][CH:9]=2)=[O:4].[CH3:30]B(O)O.C(=O)([O-])[O-].[K+].[K+].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.O.C1COCC1>[CH3:1][O:2][C:3]([C:5]1[N:6]([CH2:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[C:7](=[O:22])[C:8]2[C:13]([C:14]=1[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)=[CH:12][C:11]([CH3:30])=[CH:10][CH:9]=2)=[O:4]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

8

Edukt 4

HCID 1140TolueneHCID 11430Potassium CarbonateHCID 139377Methylboronic AcidHCID 444516902-benzyl-6-bromo-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylic Acid Methyl Ester

Produkt 1

HCID 44451882Methyl 2-benzyl-6-methyl-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylateAusbeute 81,8 %

Reagenzien, Katalysatoren, Lösungsmittel

3
HCID 178418397HCID 178418397, VerbindungKatalysatorHCID 962WaterLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

A mixture of 2-benzyl-6-bromo-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylic acid methyl ester (300 mg), methylboronic acid (200 mg), tetrakis(triphenylphosphine)palladium(0) (80 mg), potassium carbonate (280 mg), toluene (6 ml) and THF (3 ml) was stirred at 100° C. under a nitrogen atmosphere for 12 hrs. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with water and saturated brine. The solvent was dried over anhydrous sodium sulfate and the residue was concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography (hexane-hexane:ethyl acetate=2:1) and recrystallized (ethyl acetate-hexane) to give the title compound (210 mg).

Aufarbeitung

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with water and saturated brine
  3. dry with materialThe solvent was dried over anhydrous sodium sulfate
  4. concentrationthe residue was concentrated under reduced pressure
  5. customThe obtained residue was purified by silica gel column chromatography (hexane-hexane:ethyl acetate=2:1)
  6. customrecrystallized (ethyl acetate-hexane)

Quellen und Nachweise

ORD-Eintrag
ord-29f70d52716844d78fe6ef402124206c
Quelldatensatz
uspto-grants-2008_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07402595B2

Notizen zur Reaktion

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