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Tetrahydrofuran → 3-[3-[1-(2-toluoylmethyl)-2-oxo-5-(3-methyl-2-butenoyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]ureido]benzoic acid

HRID 1979414
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1979414
[C:1]1([CH3:44])[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:22](=[O:27])[CH:23]=[C:24]([CH3:26])[CH3:25])[CH2:13][CH:12]([NH:28][C:29]([NH:31][C:32]3[CH:37]=[CH:36][CH:35]=[C:34]([C:38]([O:40]CC)=[O:39])[CH:33]=3)=[O:30])[C:11]2=[O:43])=[O:8])=[CH:3][CH:4]=[CH:5][CH:6]=1.O.[OH-].[Li+].O1CCCC1>CO>[C:1]1([CH3:44])[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:22](=[O:27])[CH:23]=[C:24]([CH3:25])[CH3:26])[CH2:13][CH:12]([NH:28][C:29](=[O:30])[NH:31][C:32]3[CH:33]=[C:34]([CH:35]=[CH:36][CH:37]=3)[C:38]([OH:40])=[O:39])[C:11]2=[O:43])=[O:8])=[CH:3][CH:4]=[CH:5][CH:6]=1
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Komponenten

5

Edukt 3

HCID 8028TetrahydrofuranHCID 168937Lithium hydroxide, monohydrateHCID 212018981-[1-(2-toluoylmethyl)-2-oxo-5-(3-methyl-2-butenoyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-ethoxycarbonylphenyl)urea

Produkt 1

HCID 212016803-[3-[1-(2-toluoylmethyl)-2-oxo-5-(3-methyl-2-butenoyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]ureido]benzoic acidAusbeute 68,8 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

1-[1-(2-Toluoylmethyl)-2-oxo-5-(3-methyl-2-butenoyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-ethoxycarbonylphenyl)urea (340 mg) was dissolved in methanol (16 ml), aqueous lithium hydroxide monohydrate (120 mg) solution (8 ml) and tetrahydrofuran (8 ml) were added, and the mixture was refluxed for 50 minutes. The reaction mixture was concentrated under reduced pressure, the residue was dissolved in water (150 ml), the solution was washed with diethyl ether, acidified with 1N hydrochloric acid, and extracted with methylene chloride. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, the solvent was evaporated under reduced pressure, and diisoproryl ether was added to the residue for trituration, collected by filtration, to thereby obtain 223 mg of the titled compound (Yield: 68.8%).

Aufarbeitung

  1. temperaturethe mixture was refluxed for 50 minutes
  2. concentrationThe reaction mixture was concentrated under reduced pressure
  3. dissolutionthe residue was dissolved in water (150 ml)
  4. washthe solution was washed with diethyl ether
  5. extractionextracted with methylene chloride
  6. washThe organic layer was washed with saturated brine
  7. dry with materialdried over anhydrous magnesium sulfate
  8. customthe solvent was evaporated under reduced pressure, and diisoproryl ether
  9. additionwas added to the residue for trituration
  10. filtrationcollected by filtration

Quellen und Nachweise

ORD-Eintrag
ord-a8f83ed45cf94485b3048794c7d8e3fd
Quelldatensatz
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06239131B1

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