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Methanol → methyl 3-[7-[3-(dimethylamino)propyl]-1-oxoisoquinolin-2(1H)-yl]-4-methylbenzoate

HRID 506994
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 506994
[CH3:1][N:2]([CH3:28])[CH2:3][C:4]#[C:5][C:6]1[CH:15]=[C:14]2[C:9]([CH:10]=[CH:11][N:12]([C:17]3[CH:18]=[C:19]([CH:24]=[CH:25][C:26]=3[CH3:27])[C:20]([O:22][CH3:23])=[O:21])[C:13]2=[O:16])=[CH:8][CH:7]=1.CO.C(OCC)(=O)C>C(O)C.[Pd]>[CH3:28][N:2]([CH3:1])[CH2:3][CH2:4][CH2:5][C:6]1[CH:15]=[C:14]2[C:9]([CH:10]=[CH:11][N:12]([C:17]3[CH:18]=[C:19]([CH:24]=[CH:25][C:26]=3[CH3:27])[C:20]([O:22][CH3:23])=[O:21])[C:13]2=[O:16])=[CH:8][CH:7]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 887MethanolHCID 8857Ethyl AcetateHCID 67018594methyl 3-[7-[3-(dimethylamino)prop-1-yn-1-yl]-1-oxoisoquinolin-2(1H)-yl]-4-methylbenzoate

Produkt 1

HCID 67018581methyl 3-[7-[3-(dimethylamino)propyl]-1-oxoisoquinolin-2(1H)-yl]-4-methylbenzoate

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 23938PalladiumKatalysator
HCID 702
Ethanol
Lösungsmittel

Versuchsvorschrift

Methyl 3-[7-[3-(dimethylamino)prop-1-yn-1-yl]-1-oxoisoquinolin-2(1H)-yl]-4-methylbenzoate (192 mg) and 10% Pd/C (20 mg) were stirred in a mixture of ethanol (2 ml)/methanol (4 ml)/ethyl acetate (1 ml) under an atmosphere of hydrogen at room temperature for 2 hours. The catalyst was removed by filtration through a microfibre filter and the filtrate was concentrated to yield an oil. The oil was purified by column chromatography on an ion exchange column (isolute SCX column from International Sorbent Technology Limited, Henoed, Mid-Glamorgan, UK) using initially methanol and then a 99:1 mixture of methanol and aqueous ammonia solution to yield methyl 3-[7-[3-(dimethylamino)propyl]-1-oxoisoquinolin-2(1H)-yl]-4-methylbenzoate as a yellow oil that turned to a pale yellow solid on standing (155 mg); NMR Spectrum: (DMSOd6) 1.76 (m, 2H), 2.14 (s, 6H), 2.15 (s, 3H), 2.23 (t, 2H), 2.76 (t, 2H), 3.87 (s, 3H), 6.72 (d, 1H), 7.30 (d, 1H), 7.59 (d, 1H), 7.67 (m, 2H), 7.83 (s, 1H), 7.98 (d, 1H), 8.07 (s, 1H); Mass Spectrum: M+H+ 379.

Aufarbeitung

  1. customThe catalyst was removed by filtration through
  2. filtrationa microfibre filter
  3. concentrationthe filtrate was concentrated
  4. customto yield an oil
  5. customThe oil was purified by column chromatography on an ion exchange column (isolute SCX column from International Sorbent Technology Limited, Henoed, Mid-Glamorgan, UK)
  6. additiona 99:1 mixture of methanol and aqueous ammonia solution

Quellen und Nachweise

ORD-Eintrag
ord-abe1f3b59d964669a77c0cd591a26284
Quelldatensatz
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07786115B2

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