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Water → 1-[1-(2-Toluoylmethyl)-2-oxo-5-(2-methylpentanoyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-ethoxycarbonylphenyl)urea

HRID 1979383
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1979383
[C:1]1([CH3:38])[C:2]([C:7]([CH2:9][N:10]2[C:16]3[CH:17]=[C:18]([CH3:21])[CH:19]=[CH:20][C:15]=3[NH:14][CH2:13][CH:12]([NH:22][C:23]([NH:25][C:26]3[CH:31]=[CH:30][CH:29]=[C:28]([C:32]([O:34][CH2:35][CH3:36])=[O:33])[CH:27]=3)=[O:24])[C:11]2=[O:37])=[O:8])=[CH:3][CH:4]=[CH:5][CH:6]=1.[CH3:39][CH:40]([CH2:44][CH2:45][CH3:46])[C:41](Cl)=[O:42].N1C=CC=CC=1.O>ClCCCl.C(OCC)(=O)C>[C:1]1([CH3:38])[C:2]([C:7]([CH2:9][N:10]2[C:16]3[CH:17]=[C:18]([CH3:21])[CH:19]=[CH:20][C:15]=3[N:14]([C:41](=[O:42])[CH:40]([CH3:39])[CH2:44][CH2:45][CH3:46])[CH2:13][CH:12]([NH:22][C:23]([NH:25][C:26]3[CH:31]=[CH:30][CH:29]=[C:28]([C:32]([O:34][CH2:35][CH3:36])=[O:33])[CH:27]=3)=[O:24])[C:11]2=[O:37])=[O:8])=[CH:3][CH:4]=[CH:5][CH:6]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 962WaterHCID 1049PyridineHCID 1073852-Methylvaleryl chlorideHCID 212016301-[1-(2-toluoylmethyl)-2-oxo-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-ethoxycarbonylphenyl)urea

Produkt 1

HCID 212017751-[1-(2-Toluoylmethyl)-2-oxo-5-(2-methylpentanoyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-ethoxycarbonylphenyl)urea
Ausbeute 95,7 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 111,2-DichloroethaneLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

1-[1-(2-Toluoylmethyl)-2-oxo-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-ethoxycarbonylphenyl)urea (500 mg) obtained from Step 1of Example 93 was suspended in 1,2-dichloroethane (10 ml), 2-methyl-n-pentanoyl chloride (144 mg) and pyridine (87 μl) were added, the mixture was refluxed for 3 hours. Water (100 ml) and ethyl acetate (100 ml) were added to the reaction mixture, separated, the organic layer was washed with 1N hydrochloric acid, and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure, the residue was purified by silica gel column chromatography(n-hexane:ethyl acetate=2:1), to thereby obtain 569 mg of the titled compound (Yield: 95.7%).

Aufarbeitung

  1. temperaturethe mixture was refluxed for 3 hours
  2. customseparated
  3. washthe organic layer was washed with 1N hydrochloric acid
  4. dry with materialdried over anhydrous sodium sulfate
  5. customThe solvent was evaporated under reduced pressure
  6. customthe residue was purified by silica gel column chromatography(n-hexane:ethyl acetate=2:1)

Quellen und Nachweise

ORD-Eintrag
ord-e53cfb073b9d419d82ad71a6f31910ee
Quelldatensatz
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06239131B1

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