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

HRID 1979378
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1979378
[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])[C:23]([CH3:26])([CH3:25])[CH3:24])[CH2:13][CH:12]([NH:28][C:29]([NH:31][C:32]3[CH:37]=[CH:36][C:35]([F:38])=[C:34]([C:39]([O:41]C)=[O:40])[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>[F:38][C:35]1[CH:36]=[CH:37][C:32]([NH:31][C:29]([NH:28][CH:12]2[C:11](=[O:43])[N:10]([CH2:9][C:7]([C:2]3[C:1]([CH3:44])=[CH:6][CH:5]=[CH:4][CH:3]=3)=[O:8])[C:16]3[CH:17]=[C:18]([CH3:21])[CH:19]=[CH:20][C:15]=3[N:14]([C:22](=[O:27])[C:23]([CH3:25])([CH3:24])[CH3:26])[CH2:13]2)=[O:30])=[CH:33][C:34]=1[C:39]([OH:41])=[O:40]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 8028TetrahydrofuranHCID 168937Lithium hydroxide, monohydrateHCID 212019031-[1-(2-toluoylmethyl)-2-oxo-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-methoxycarbonyl-4-fluorophenyl)urea

Produkt 1

HCID 212019212-fluoro-5-[3-[1-(2-toluoylmethyl)-2-oxo-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]ureido]benzoic acidAusbeute 64,2 %

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 887MethanolLösungsmittel

Versuchsvorschrift

1-[1-(2-Toluoylmethyl)-2-oxo-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-methoxycarbonyl-4-fluorophenyl)urea (510 mg) was dissolved in methanol (24 ml), aqueous lithium hydroxide monohydrate (178 mg) solution (12 ml) and tetrahydrofuran (12 ml) was added, and the mixture was refluxed for one hour. The reaction mixture was concentrated under reduced pressure, 1N hydrochloric acid was added, 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 diisopropyl ether was added to the residue for trituration, collected by filtration, to thereby obtain 320 mg of the titled compound.

Aufarbeitung

  1. temperaturethe mixture was refluxed for one hour
  2. concentrationThe reaction mixture was concentrated under reduced pressure, 1N hydrochloric acid
  3. additionwas added
  4. extractionextracted with methylene chloride
  5. washThe organic layer was washed with saturated brine
  6. dry with materialdried over anhydrous magnesium sulfate
  7. customthe solvent was evaporated under reduced pressure, and diisopropyl ether
  8. additionwas added to the residue for trituration
  9. filtrationcollected by filtration

Quellen und Nachweise

ORD-Eintrag
ord-8b9a1f330bb84098b8affbc4589d55bd
Quelldatensatz
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06239131B1

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