Potassium Iodide → alpha-(3,4-Dimethoxyphenyl)-3,4-dihydro-6,7-dimethoxy-alpha-[(4-methylphenyl)thio]-2(1H)-isoquinolinepentanenitrile

HRID 1078736Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1078736
Cl[CH2:2][CH2:3][CH2:4][C:5]([S:18][C:19]1[CH:24]=[CH:23][C:22]([CH3:25])=[CH:21][CH:20]=1)([C:8]1[CH:13]=[CH:12][C:11]([O:14][CH3:15])=[C:10]([O:16][CH3:17])[CH:9]=1)[C:6]#[N:7].C(=O)([O-])[O-].[K+].[K+].[I-].[K+].Cl.[CH3:35][O:36][C:37]1[CH:38]=[C:39]2[C:44](=[CH:45][C:46]=1[O:47][CH3:48])[CH2:43][NH:42][CH2:41][CH2:40]2>CN(C)C=O>[CH3:17][O:16][C:10]1[CH:9]=[C:8]([C:5]([S:18][C:19]2[CH:24]=[CH:23][C:22]([CH3:25])=[CH:21][CH:20]=2)([CH2:4][CH2:3][CH2:2][N:42]2[CH2:41][CH2:40][C:39]3[C:44](=[CH:45][C:46]([O:47][CH3:48])=[C:37]([O:36][CH3:35])[CH:38]=3)[CH2:43]2)[C:6]#[N:7])[CH:13]=[CH:12][C:11]=1[O:14][CH3:15]

Komponenten

6

Edukt 4

HCID 4875Potassium IodideHCID 11430Potassium CarbonateHCID 64560356,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochlorideHCID 10738259alpha-(3-Chloropropyl)-3,4-dimethoxy-alpha-[(4-methylphenyl)-thio]benzeneacetonitrile

Produkt 1

HCID 10744844alpha-(3,4-Dimethoxyphenyl)-3,4-dihydro-6,7-dimethoxy-alpha-[(4-methylphenyl)thio]-2(1H)-isoquinolinepentanenitrile

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
95 °C

Versuchsvorschrift

To a solution of 3.20 g of α-(3-chloropropyl)-3,4-dimethoxy-α-[(4-methylphenyl)thio]benzeneacetonitrile in 30 mL of dimethyl formamide, under argon, is added 2.78 g of potassium carbonate, 79.5 mg of potassium iodide, and 1.84 g of 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride. The reaction mixture is then heated at 95° C. for 4 hours, then allowed to cool and stir at ambient temperature for 12 hours. The solvent is evaporated from the mixture under vacuum at 45° C. The residue is partitioned between diethyl ether and water. The organic solution is dried with magnesium sulfate, filtered and evaporated to give the crude product. The product is chromatographed on a column of silica gel and is eluted with ethyl acetate providing 1.6 g of the desired product, after evaporation of the solvent, as an orange gum.

Aufarbeitung

  1. temperatureto cool
  2. customThe solvent is evaporated from the mixture under vacuum at 45° C
  3. customThe residue is partitioned between diethyl ether and water
  4. dry with materialThe organic solution is dried with magnesium sulfate
  5. filtrationfiltered
  6. customevaporated

Quellen und Nachweise

ORD-Eintrag
ord-4e3a55cf0ca64a0dbfd7c61b5af730b1
Quelldatensatz
uspto-grants-1996_08
Patentnummer
US05550149

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