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Triethylamine → 1,1-Dimethylethyl 1-[2-(butyloxy)-2-oxoethyl]-6-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-5-methyl-3,4-dihydro-2(1H)-isoquinolinecarboxylate

HRID 2383310
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2383310
[CH2:1]([O:5][C:6](=[O:30])[CH2:7][CH:8]1[C:17]2[C:12](=[C:13]([CH3:22])[C:14]([C:18]([NH:20][OH:21])=[NH:19])=[CH:15][CH:16]=2)[CH2:11][CH2:10][N:9]1[C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:2][CH2:3][CH3:4].C(N(CC)CC)C.[Cl:38][C:39]1[CH:40]=[C:41]([CH:45]=[CH:46][C:47]=1[O:48][CH:49]([CH3:51])[CH3:50])[C:42](Cl)=O>O1CCOCC1>[CH2:1]([O:5][C:6](=[O:30])[CH2:7][CH:8]1[C:17]2[C:12](=[C:13]([CH3:22])[C:14]([C:18]3[N:19]=[C:42]([C:41]4[CH:45]=[CH:46][C:47]([O:48][CH:49]([CH3:50])[CH3:51])=[C:39]([Cl:38])[CH:40]=4)[O:21][N:20]=3)=[CH:15][CH:16]=2)[CH2:11][CH2:10][N:9]1[C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:2][CH2:3][CH3:4]
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Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 21710470HCID 21710470, VerbindungHCID 178450882HCID 178450882, Verbindung

Produkt 1

HCID 595910751,1-Dimethylethyl 1-[2-(butyloxy)-2-oxoethyl]-6-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-5-methyl-3,4-dihydro-2(1H)-isoquinolinecarboxylateAusbeute 21,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 31275
1,4-Dioxane
Lösungsmittel
2×

Versuchsvorschrift

To a solution of 1,1-dimethylethyl 1-[2-(butyloxy)-2-oxoethyl]-6-[(hydroxyamino)(imino)methyl]-5-methyl-3,4-dihydro-2(1H)-isoquinolinecarboxylate (Preparation 19; 264 mg, 0.629 mmol) in dioxane (4 ml) was added triethylamine (0.263 ml, 1.89 mmol) followed by dropwise addition of 3-chloro-4-[(1-methylethyl)oxy]benzoyl chloride (Preparation 33; 176 mg, 0.755 mmol) in dioxane (2 ml). The resulting mixture was stirred at room temperature for 90 min, followed by heating at 100° C. for 24 h. The mixture was cooled to room temperature, most of the solvent was removed in vacuo, and the residue was partitioned between ethyl acetate and saturated sodium bicarbonate. The layers were separated and the aqueous layer further extracted with ethyl acetate. The combined organic phases were washed with brine, dried over MgSO4 and concentrated in vacuo. Purification by flash chromatography, eluting with 5-25% ethyl acetate in cyclohexane, gave the title compound as a pale yellow oil (80 mg).

Aufarbeitung

  1. temperatureby heating at 100° C. for 24 h
  2. temperatureThe mixture was cooled to room temperature, most of the solvent
  3. customwas removed in vacuo
  4. customthe residue was partitioned between ethyl acetate and saturated sodium bicarbonate
  5. customThe layers were separated
  6. extractionthe aqueous layer further extracted with ethyl acetate
  7. washThe combined organic phases were washed with brine
  8. dry with materialdried over MgSO4
  9. concentrationconcentrated in vacuo
  10. customPurification by flash chromatography
  11. washeluting with 5-25% ethyl acetate in cyclohexane

Quellen und Nachweise

ORD-Eintrag
ord-da7859d327be4735b48f882b37f3b120
Quelldatensatz
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08263620B2

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