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2-(Carbobenzyloxy-alpha-methylalanyl]aminomethyl-5-methyl-2,3,6,7-tetrahydrofuro-[2,3-f]quinoline-7-one → 5-Methyl-2-(alpha-methylalanyl)aminomethyl-2,3,6,7-tetrahydrofuro-[2,3-f]quinoline-7-one

HRID 1900769
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1900769
C([NH:11][C:12]([CH3:33])([C:14]([NH:16][CH2:17][CH:18]1[O:32][C:21]2=[C:22]3[C:27](=[C:28]([CH3:30])[CH:29]=[C:20]2[CH2:19]1)[NH:26][C:25](=[O:31])[CH:24]=[CH:23]3)=[O:15])[CH3:13])(OCC1C=CC=CC=1)=O.[H][H]>CN(C)C=O.CO.[Pd]>[CH3:30][C:28]1[CH:29]=[C:20]2[CH2:19][CH:18]([CH2:17][NH:16][C:14](=[O:15])[C:12]([CH3:13])([CH3:33])[NH2:11])[O:32][C:21]2=[C:22]2[C:27]=1[NH:26][C:25](=[O:31])[CH:24]=[CH:23]2
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Komponenten

6

Edukt 2

HCID 867499942-(Carbobenzyloxy-alpha-methylalanyl]aminomethyl-5-methyl-2,3,6,7-tetrahydrofuro-[2,3-f]quinoline-7-oneHCID 178418361HCID 178418361, Verbindung

Produkt 1

HCID 233697105-Methyl-2-(alpha-methylalanyl)aminomethyl-2,3,6,7-tetrahydrofuro-[2,3-f]quinoline-7-oneAusbeute 95,5 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 23938PalladiumKatalysator
HCID 887
Methanol
Lösungsmittel
2×
HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

2-(N-Carbobenzyloxy-α-methylalanyl]aminomethyl-5-methyl-2,3,6,7-tetrahydrofuro-[2,3-f]quinoline-7-one (2.46 g, 5.48 mmol) was dissolved in dimethylformamide (190 ml). To the obtained solution, 10% palladium-on-carbon (2.46 g) was added, followed by stirring at room temperature for 3 hours in the atmosphere of hydrogen. The reaction mixture was filtered, and the filtrate was condensed. The resultant residue was dissolved in methanol (70 ml). To the obtained solution, 1.37 N-HCl--methanol (4.39 ml) was added at room temperature, followed by condensing under reduced pressure. The resultant residue was submitted to a recrystallizing procedure using methanol to obtain 1.65 g of the title compound as pale yellow powdery crystals (85.6%).

Aufarbeitung

  1. filtrationThe reaction mixture was filtered
  2. customcondensed
  3. customfollowed by condensing under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-7f4003da581b48ad800ed46ea824312c
Quelldatensatz
uspto-grants-1996_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05576324

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