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Toluene → N-[2-(4-Cyclohexylphenyl)4-methoxy-quinolin-6-yl]-acetamide

HRID 2414754
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2414754
[CH:1]1([C:7]2[CH:12]=[CH:11][C:10]([C:13]3[CH:22]=[C:21]([OH:23])[C:20]4[C:15](=[CH:16][CH:17]=[C:18]([NH:24][C:25](=[O:27])[CH3:26])[CH:19]=4)[N:14]=3)=[CH:9][CH:8]=2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.[C:28]1(C)C=CC=CC=1.S(OC)(OC)(=O)=O>CCCCCC>[CH:1]1([C:7]2[CH:8]=[CH:9][C:10]([C:13]3[CH:22]=[C:21]([O:23][CH3:28])[C:20]4[C:15](=[CH:16][CH:17]=[C:18]([NH:24][C:25](=[O:27])[CH3:26])[CH:19]=4)[N:14]=3)=[CH:11][CH:12]=2)[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6]1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 1140TolueneHCID 6497Dimethyl SulfateHCID 178474047HCID 178474047, Verbindung

Produkt 1

HCID 22643170N-[2-(4-Cyclohexylphenyl)4-methoxy-quinolin-6-yl]-acetamideAusbeute 96 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8058HexaneLösungsmittel

Reaktionsbedingungen

Temperatur
70 °C

Versuchsvorschrift

N-[2-(4-Cyclohexylphenyl)-4-hydroxy-quinolin-6-yl]-acetamide 35.7 g (0.099 moles) was placed in a 500 mL three neck round bottom flask equipped with a condenser, magnetic stirrer and nitrogen inlet with 250 mL of toluene. The material was suspended by stirring and 20.6 mL (0.21 moles) of dimethyl sulfate was added. The suspension was then heated with a silicone oil heating bath, to gentle reflux for 18 hr. After thwas time the reaction was allowed to cool and hexane was added. Solids were collected by vacuum filtration and washed with hexane. After drying, the solids were suspended in a 2 L Erlenmeyer flask with 1 L of 5% sodium hydroxide solution. The suspension was vigorously stirred and heated to 70° C. for 30 min. This converted the salt form of the material to the free base and removed some impurities. After cooling the solids were collected by vacuum filtration and washed with water. The product was dried in a vacuum oven to give 35.8 g (96%) of material, which contained about 30% of side products, with the N-methylated material constituting the major impurity. The material was used without further purification.

Aufarbeitung

  1. temperatureThe suspension was then heated with a silicone oil heating bath
  2. temperatureto gentle reflux for 18 hr
  3. temperatureto cool
  4. filtrationSolids were collected by vacuum filtration
  5. washwashed with hexane
  6. customAfter drying
  7. stirringThe suspension was vigorously stirred
  8. customremoved some impurities
  9. temperatureAfter cooling the solids
  10. filtrationwere collected by vacuum filtration
  11. washwashed with water
  12. customThe product was dried in a vacuum oven

Quellen und Nachweise

ORD-Eintrag
ord-bbc763e162204ada92a5ac47375175b8
Quelldatensatz
uspto-grants-2004_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06815447B2

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