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Triethylamine → 1-[1-(2-thenoylmethyl)-2-oxo-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-ethoxycarbonylphenyl)urea

HRID 1979350
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Reaktionsgleichung

Reaktionsgleichung von HRID 1979350
[NH2:1][C:2]1[CH:3]=[C:4]([CH:10]=[CH:11][CH:12]=1)[C:5]([O:7][CH2:8][CH3:9])=[O:6].Cl[C:14](Cl)([O:16]C(=O)OC(Cl)(Cl)Cl)Cl.C(N(CC)CC)C.[C:32]1([C:37]([CH2:39][N:40]2[C:46]3[CH:47]=[C:48]([CH3:51])[CH:49]=[CH:50][C:45]=3[N:44]([C:52](=[O:57])[C:53]([CH3:56])([CH3:55])[CH3:54])[CH2:43][CH:42]([NH2:58])[C:41]2=[O:59])=[O:38])[S:36][CH:35]=[CH:34][CH:33]=1>O1CCCC1.O>[C:32]1([C:37]([CH2:39][N:40]2[C:46]3[CH:47]=[C:48]([CH3:51])[CH:49]=[CH:50][C:45]=3[N:44]([C:52](=[O:57])[C:53]([CH3:54])([CH3:55])[CH3:56])[CH2:43][CH:42]([NH:58][C:14]([NH:1][C:2]3[CH:12]=[CH:11][CH:10]=[C:4]([C:5]([O:7][CH2:8][CH3:9])=[O:6])[CH:3]=3)=[O:16])[C:41]2=[O:59])=[O:38])[S:36][CH:35]=[CH:34][CH:33]=1
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Komponenten

7

Edukt 4

HCID 8471TriethylamineHCID 11400Ethyl 3-aminobenzoateHCID 94429TriphosgeneHCID 212016181-(2-thenoylmethyl)-2-oxo-3-amino-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

Produkt 1

HCID 212015731-[1-(2-thenoylmethyl)-2-oxo-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-ethoxycarbonylphenyl)urea
Ausbeute 234,4 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 8028TetrahydrofuranLösungsmittel2×

Versuchsvorschrift

Ethyl 3-aminobenzoate (0.23 g) was dissolved in tetrahydrofuran (10 ml), and the solution was cooled on ice-water. Triphosgene (0.15 g) was added thereto at internal temperature 7° C., triethylamine (0.53 g) was added dropwise thereto over 10 minutes period, the mixture was allowed to come to room temperature, and stirred for 10 minutes. Subsequently, a suspension of 1-(2-thenoylmethyl)-2-oxo-3-amino-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine (0.52 g) in tetrahydrofuran (10 ml ) was added, and the resultant mixture was stirred for one hour. Water was added to the reaction mixture, extracted with methylene chloride, the organic layer was successively washed with water and saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography(n-hexane:ethyl acetate=1:1), to thereby obtain 0.70 g of the titled compound as white crystals (Yield: 88%).

Aufarbeitung

  1. temperaturethe solution was cooled on ice-water
  2. customto come to room temperature
  3. additionwas added
  4. extractionextracted with methylene chloride
  5. washthe organic layer was successively washed with water and saturated brine
  6. dry with materialdried over anhydrous magnesium sulfate
  7. customThe solvent was evaporated under reduced pressure
  8. customThe residue was purified by silica gel column chromatography(n-hexane:ethyl acetate=1:1)

Quellen und Nachweise

ORD-Eintrag
ord-b76022706d674067abff448c7cd64563
Quelldatensatz
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06239131B1

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