1-[1-(4-Chlorophenyl)cyclobutyl]-7-methoxy-3,4-dihydroisoquinoline → 1-[1-(4-Chlorophenyl)cyclobutyl]-3,4-dihydroisoquinolin-7-ol

HRID 242086

Reaktionsgleichung

Reaktionsgleichung von HRID 242086
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2([C:12]3[C:21]4[C:16](=[CH:17][CH:18]=[C:19]([O:22]C)[CH:20]=4)[CH2:15][CH2:14][N:13]=3)[CH2:11][CH2:10][CH2:9]2)=[CH:4][CH:3]=1>Br>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2([C:12]3[C:21]4[C:16](=[CH:17][CH:18]=[C:19]([OH:22])[CH:20]=4)[CH2:15][CH2:14][N:13]=3)[CH2:11][CH2:10][CH2:9]2)=[CH:6][CH:7]=1

Komponenten

3

Reaktionsbedingungen

Temperatur
120 °C

Versuchsvorschrift

The crude 1-[1-(4-chlorophenyl)cyclobutyl]-7-methoxy-3,4-dihydroisoquinoline (10.25 g, 30.8 mmol) was treated with 47% aqueous hydrobromic acid (109 mL) and stirred at 120° C. for 4 h. The reaction mixture was cooled to room temperature. The aqueous layer was decanted. The crude product was treated with dichloromethan, methanol and water and the pH was adjusted to 10 with aqueous 1N sodium hydroxide solution. The product precipitated and the solid was collected by filtration. The product was washed with water and dried in vacuo at 30° C. Yield: 3.56 g (30.3, 12.38 mmol).

Aufarbeitung

  1. temperatureThe reaction mixture was cooled to room temperature
  2. customThe aqueous layer was decanted
  3. additionThe crude product was treated with dichloromethan, methanol and water
  4. customThe product precipitated
  5. filtrationthe solid was collected by filtration
  6. washThe product was washed with water
  7. customdried in vacuo at 30° C

Quellen und Nachweise

ORD-Eintrag
ord-bf2362efddad4e5b9dec6b8942f56e9f
Quelldatensatz
uspto-grants-2014_02
Patentnummer
US08653100B2

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