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Methyl iodide → (R)-4-[6-(4-tert-butyl-cyclohexyloxy)-naphthalen-2-yl]-3,4-dimethyl-oxazolidin-2-one

HRID 1036436
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1036436
[C:1]([CH:5]1[CH2:10][CH2:9][CH:8]([O:11][C:12]2[CH:13]=[C:14]3[C:19](=[CH:20][CH:21]=2)[CH:18]=[C:17]([C@:22]2([CH3:28])[CH2:26][O:25][C:24](=[O:27])[NH:23]2)[CH:16]=[CH:15]3)[CH2:7][CH2:6]1)([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].[CH3:31]I>C1COCC1.CN(C=O)C>[C:1]([CH:5]1[CH2:6][CH2:7][CH:8]([O:11][C:12]2[CH:13]=[C:14]3[C:19](=[CH:20][CH:21]=2)[CH:18]=[C:17]([C@:22]2([CH3:28])[CH2:26][O:25][C:24](=[O:27])[N:23]2[CH3:31])[CH:16]=[CH:15]3)[CH2:9][CH2:10]1)([CH3:4])([CH3:2])[CH3:3]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 6328Methyl iodideHCID 24758Sodium hydride2×HCID 67414115(R)-4-[6-(4-tert-Butylcyclohexyloxy)naphthalen-2-yl]-4-methyl-oxazolidin-2-one

Produkt 1

HCID 67414727(R)-4-[6-(4-tert-butyl-cyclohexyloxy)-naphthalen-2-yl]-3,4-dimethyl-oxazolidin-2-oneAusbeute 106,5 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228
Dimethylformamide
Lösungsmittel
HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of (R)-4-[6-(4-tert-butyl-cyclohexyloxy)-naphthalen-2-yl]-4-methyl-oxazolidin-2-one (73 mg, 0.19 mmol) in THF (1 mL) and DMF (1 mL) was added sodium hydride (60% in mineral oil, 12 mg, 0.29 mmol). After the mixture was stirred at room temperature for 2 hrs, methyl iodide (60 μL, 0.96 mmol) was added. The mixture was stirred at room temperature for 3 hrs. LCMS showed about 30% of conversion. Additional sodium hydride (60% in mineral oil, 50 mg) was added. After the mixture was stirred at room temperature overnight, the mixture was partitioned between NH4Cl aq and EtOAc. The organic phase was washed with water, dried over anhydrous MgSO4, filtered, and concentrated to give 80 mg of crude product, 106%. ESI-MS (M+H)+: 396.20, room temperature 2.53 min.

Aufarbeitung

  1. stirringThe mixture was stirred at room temperature for 3 hrs
  2. stirringAfter the mixture was stirred at room temperature overnight
  3. customthe mixture was partitioned between NH4Cl aq and EtOAc
  4. washThe organic phase was washed with water
  5. dry with materialdried over anhydrous MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-6c4cdad6cf83466280fbe00ca4af12dc
Quelldatensatz
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08546359B2

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