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Water → HCID 57672003, Verbindung

HRID 1038494
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1038494
[F:1][C:2]1[CH:3]=[CH:4][C:5]([CH3:36])=[C:6]([CH:35]=1)[O:7][CH2:8][C:9]1[C:10]([C:23]2[CH:28]=[C:27]([C:29](OC)=[O:30])[CH:26]=[CH:25][C:24]=2[O:33][CH3:34])=[CH:11][CH:12]=[C:13]2[C:18]=1[N:17]([CH3:19])[C:16](=[O:20])[C:15]([CH3:22])([CH3:21])[NH:14]2.[H-].[Al+3].[Li+].[H-].[H-].[H-].C(OCC)(=O)C.O>O1CCCC1>[F:1][C:2]1[CH:3]=[CH:4][C:5]([CH3:36])=[C:6]([CH:35]=1)[O:7][CH2:8][C:9]1[C:10]([C:23]2[CH:28]=[C:27]([CH2:29][OH:30])[CH:26]=[CH:25][C:24]=2[O:33][CH3:34])=[CH:11][CH:12]=[C:13]2[C:18]=1[N:17]([CH3:19])[C:16](=[O:20])[C:15]([CH3:22])([CH3:21])[NH:14]2
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962Water2×HCID 8857Ethyl Acetate2×HCID 21226445Aluminium lithium hydrideHCID 57671881HCID 57671881, Verbindung

Produkt 1

HCID 57672003HCID 57672003, VerbindungAusbeute 47 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

8-(5-Fluoro-2-methylphenoxymethyl)-7-(2-methoxy-5-methoxycarbonylphenyl)-1,3,3-trimethyl-3,4-dihydro-1H-quinoxalin-2-one (Compound No. 6-37, 50.2 mg, 0.102 mmol) was dissolved in anhydrous tetrahydrofuran (0.5 ml), and lithium aluminum hydride (6.8 mg, 0.18 mmol) was added thereto at 0° C. After the reaction mixture was stirred at same temperature for 30 minutes, ethyl acetate (1 mL) and water (1 mL) were added thereto successively. Moreover ethyl acetate (10 mL) and water (10 mL) were added and partitioned. The organic layer was washed with saturated brine (10 mL), dried over anhydrous magnesium sulfate, and then the solvent was removed under reduced pressure. The obtained residue was purified by silica gel column chromatography (hexane-ethyl acetate) to give the titled compound (29.8 mg) as a pale yellow solid. (Yield 47%)

Aufarbeitung

  1. customat 0° C
  2. custompartitioned
  3. washThe organic layer was washed with saturated brine (10 mL)
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customthe solvent was removed under reduced pressure
  6. customThe obtained residue was purified by silica gel column chromatography (hexane-ethyl acetate)

Quellen und Nachweise

ORD-Eintrag
ord-2fd2ce6e2b044325b4cde893e42e1d22
Quelldatensatz
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08551991B2

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