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Ethanol → Tert-butyl {[6-(5-cyanopentyl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamate

HRID 1986503
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1986503
[C:1]([CH2:3][CH2:4][CH2:5][C:6]#[C:7][C:8]1[CH:9]=[C:10]2[C:15](=[CH:16][CH:17]=1)[N:14]=[C:13]([CH2:18][CH:19]([CH3:21])[CH3:20])[C:12]([CH2:22][NH:23][C:24](=[O:30])[O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[C:11]2[C:31]1[CH:36]=[CH:35][C:34]([CH3:37])=[CH:33][CH:32]=1)#[N:2].C(O)C>[C].[Pd].O1CCCC1>[C:1]([CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][C:8]1[CH:9]=[C:10]2[C:15](=[CH:16][CH:17]=1)[N:14]=[C:13]([CH2:18][CH:19]([CH3:21])[CH3:20])[C:12]([CH2:22][NH:23][C:24](=[O:30])[O:25][C:26]([CH3:27])([CH3:28])[CH3:29])=[C:11]2[C:31]1[CH:36]=[CH:35][C:34]([CH3:37])=[CH:33][CH:32]=1)#[N:2]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 702EthanolHCID 86605666Tert-butyl {[6-(5-cyanopent-1-yn-1-yl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamate

Produkt 1

HCID 51050348Tert-butyl {[6-(5-cyanopentyl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamateAusbeute 92 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418390HCID 178418390, VerbindungKatalysator
HCID 8028
Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

To a solution of 3-{[(tert-butoxycarbonyl)amino]methyl}-2-isobutyl-4-(4-methylphenyl)quinolin-6-yl trifluoromethanesulfonate (3.03 g, 6.13 mmol), copper iodide (176 mg, 0.920 mmol) and hex-5-ynenitrile (2.86 g, 30.7 mmol) in tetrahydrofuran (30 ml)-triethylamine (10 ml) was added dichlorobistriphenylphosphinepalladium (431 mg, 0.613 mmol), and the mixture was stirred under an argon atmosphere at 80° C. for 10 min. The reaction mixture was diluted with ethyl acetate, washed with saturated aqueous ammonium chloride solution, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure to give black crystals. The crystals were recrystallized from ethyl acetate-n-hexane to give tert-butyl {[6-(5-cyanopent-1-yn-1-yl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamate (2.56 g, yield 84%) as white crystals. Subsequently, tert-butyl {[6-(5-cyanopent-1-yn-1-yl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamate (2.56 g, 5.17 mmol) and 10% palladium-carbon (550 mg) were suspended in a mixed solvent of ethanol (200 ml)-tetrahydrofuran (35 ml) and the mixture was stirred under a hydrogen atmosphere at room temperature for 3.5 hrs. The reaction mixture was filtered, and the filtrate was concentrated under reduced pressure to give tert-butyl {[6-(5-cyanopentyl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamate (2.37 g, yield 92%) as white crystals.

Aufarbeitung

  1. filtrationThe reaction mixture was filtered
  2. concentrationthe filtrate was concentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-b49609ab7ea8469cbdbdbac266dc6b79
Quelldatensatz
uspto-grants-2009_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07547710B2

Notizen zur Reaktion

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