Trifluoroacetic acid → HCID 10362064, Verbindung

HRID 1586981Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1586981
FC(F)(F)C(O)=O.[CH3:8][C:9]1(O)[CH2:18][CH2:17][CH2:16][C:15]2[N:14]=[C:13]([O:19][CH2:20][C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=3)[CH:12]=[CH:11][C:10]1=2.[C:28]1([CH2:34][O:35][NH2:36])[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=1>C1(C)C=CC=CC=1>[CH3:8][C:9]1([NH:36][O:35][CH2:34][C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=2)[CH2:18][CH2:17][CH2:16][C:15]2[N:14]=[C:13]([O:19][CH2:20][C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=3)[CH:12]=[CH:11][C:10]1=2

Komponenten

5

Edukt 3

HCID 6422Trifluoroacetic acidHCID 102313O-BenzylhydroxylamineHCID 10061627HCID 10061627, Verbindung

Produkt 1

HCID 10362064HCID 10362064, VerbindungAusbeute 77,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 1140TolueneLösungsmittel

Versuchsvorschrift

Trifluoroacetic acid (17.4 g) was added in one portion to a solution of 5,6,7,8-tetrahydro-5-methyl-2-(phenylmethoxy)-quinolin-5-ol (41 g), phenylmethoxyamine (47 g), and toluene (770 ml) at room temperature. The solution was stirred at room temperature for 24 hrs, and then quenched with concentrated ammonium hydroxide solution. The layers were separated and the aqueous phase was extracted with ethyl acetate. The combined organic layers were washed with brine, dried over potassium carbonate, filtered, and the filtrate was concentrated. Purification by high performance liquid chromatography (silica gel, elution with ethyl acetate-hexanes) gave 44.2 g (77%) of 5,6,7,8-tetrahydro-5-methyl-N,2-bis(phenylmethoxy)-5-quinolinamine.

Aufarbeitung

  1. customquenched with concentrated ammonium hydroxide solution
  2. customThe layers were separated
  3. extractionthe aqueous phase was extracted with ethyl acetate
  4. washThe combined organic layers were washed with brine
  5. dry with materialdried over potassium carbonate
  6. filtrationfiltered
  7. concentrationthe filtrate was concentrated
  8. customPurification
  9. washby high performance liquid chromatography (silica gel, elution with ethyl acetate-hexanes)

Quellen und Nachweise

ORD-Eintrag
ord-b8a4ef97fd01478c950aeaf0808f0d7b
Quelldatensatz
uspto-grants-1993_06
Patentnummer
US05216164

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