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Water → 4-[4,4-Dimethyl 2,5-dioxo 3-(4-methoxybutyl) 1-imidazolidinyl] 2-(trifluoromethyl)-benzonitrile

HRID 355596
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 355596
[H-].[Na+].[CH3:3][C:4]1([CH3:28])[C:8](=[O:9])[N:7]([C:10]2[CH:17]=[CH:16][C:13]([C:14]#[N:15])=[C:12]([C:18]([F:21])([F:20])[F:19])[CH:11]=2)[C:6](=[O:22])[N:5]1[CH2:23][CH2:24][CH2:25][CH2:26][OH:27].[CH3:29]I.O>CN(C)C=O>[CH3:3][C:4]1([CH3:28])[C:8](=[O:9])[N:7]([C:10]2[CH:17]=[CH:16][C:13]([C:14]#[N:15])=[C:12]([C:18]([F:19])([F:20])[F:21])[CH:11]=2)[C:6](=[O:22])[N:5]1[CH2:23][CH2:24][CH2:25][CH2:26][O:27][CH3:29]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962WaterHCID 6328Methyl iodide2×HCID 24758Sodium hydride2×HCID 1329814-(3-(4-Hydroxybutyl)-4,4-dimethyl-2,5-dioxo-1-imidazolidinyl)-2-(trifluoromethyl)benzonitrile

Produkt 1

HCID 221169174-[4,4-Dimethyl 2,5-dioxo 3-(4-methoxybutyl) 1-imidazolidinyl] 2-(trifluoromethyl)-benzonitrile

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

50 mg of sodium hydride were added in several lots to 370 mg of the product of Example 58 in solution in 3 ml of dimethylformamide and the mixture was stirred for 20 minutes. 0.06 ml of methyl iodide were added and the mixture was stirred for one hour. A further 50 mg of sodium hydride were added and then after 20 minutes, 0.06 ml of methyl iodide were added. The reaction medium was poured into water and extracted with ether. The extracts were washed with water, dried and the solvent was evaporated. The residue was chromatographed on silica (eluant: methylene chloride--acetone 98-2) to obtain 135 mg of the expected product melting at 80°-81° C.

Aufarbeitung

  1. stirringthe mixture was stirred for one hour
  2. waitafter 20 minutes
  3. extractionextracted with ether
  4. washThe extracts were washed with water
  5. customdried
  6. customthe solvent was evaporated
  7. customThe residue was chromatographed on silica (eluant: methylene chloride--acetone 98-2)

Quellen und Nachweise

ORD-Eintrag
ord-c4190a384c3544f4a17c014e74f707bf
Quelldatensatz
uspto-grants-1998_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
USRE035956

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