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Water → 3-[4-(2-Hydroxy-1,1-dimethylethyl)phenyl]-5,5-dimethyl-1-{[2-(pyridin-3-ylamino)-pyridin-4-yl]methyl}imidazolidine-2,4-dione

HRID 546630
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Reaktionsgleichung

Reaktionsgleichung von HRID 546630
B#B.CSC.[CH3:6][C:7]1([CH3:40])[C:11](=[O:12])[N:10]([C:13]2[CH:18]=[CH:17][C:16]([C:19]([CH3:24])([CH3:23])[C:20](O)=[O:21])=[CH:15][CH:14]=2)[C:9](=[O:25])[N:8]1[CH2:26][C:27]1[CH:32]=[CH:31][N:30]=[C:29]([NH:33][C:34]2[CH:35]=[N:36][CH:37]=[CH:38][CH:39]=2)[CH:28]=1.O.[OH-].[Na+]>O1CCCC1.CO.Cl.C(OCC)(=O)C>[OH:21][CH2:20][C:19]([C:16]1[CH:17]=[CH:18][C:13]([N:10]2[C:11](=[O:12])[C:7]([CH3:40])([CH3:6])[N:8]([CH2:26][C:27]3[CH:32]=[CH:31][N:30]=[C:29]([NH:33][C:34]4[CH:35]=[N:36][CH:37]=[CH:38][CH:39]=4)[CH:28]=3)[C:9]2=[O:25])=[CH:14][CH:15]=1)([CH3:24])[CH3:23]
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Komponenten

9

Edukt 4

HCID 962WaterHCID 14798Sodium HydroxideHCID 22038413Diborane dimethylsulfideHCID 576259742-(4-{4,4-Dimethyl-2,5-dioxo-3-[2-(pyridin-3-ylamino)pyridin-4-ylmethyl]imidazolidin-1-yl}-phenyl)-2-methylpropionic acid

Produkt 1

HCID 576260103-[4-(2-Hydroxy-1,1-dimethylethyl)phenyl]-5,5-dimethyl-1-{[2-(pyridin-3-ylamino)-pyridin-4-yl]methyl}imidazolidine-2,4-dione
Ausbeute 45 %

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 313Hydrochloric AcidLösungsmittelHCID 887MethanolLösungsmittelHCID 8028TetrahydrofuranLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

To a solution of 0.29 mL of diborane-dimethyl sulphide (2M in tetrahydrofuran) in 5 mL of tetrahydrofuran, under argon, at room temperature, is added 0.11 g of 2-(4-{4,4-dimethyl-2,5-dioxo-3-[2-(pyridin-3-ylamino)pyridin-4-ylmethyl]imidazolidin-1-yl}-phenyl)-2-methylpropionic acid obtained in stage f) below. The reaction medium is stirred at this same temperature for one hour and concentrated under reduced pressure. The residue obtained is taken up in 10 mL of methanol and 2 mL of 1N hydrochloric acid. The solution is concentrated under reduced pressure. The residue obtained is purified by Preparative LC/MS (gradient: acetonitrile/water/TFA 0.07%). The product obtained is taken up in 10 mL of ethyl acetate, 2 mL of water and 1 mL of 1N sodium hydroxide. The organic phase is dried over magnesium sulphate, filtered and then concentrated under reduced pressure to give 0.048 g of 3-[4-(2-hydroxy-1,1-dimethylethyl)phenyl]-5,5-dimethyl-1-{[2-(pyridin-3-ylamino)-pyridin-4-yl]methyl}imidazolidine-2,4-dione, the characteristics of which are as follows:

Aufarbeitung

  1. concentrationconcentrated under reduced pressure
  2. customThe residue obtained
  3. concentrationThe solution is concentrated under reduced pressure
  4. customThe residue obtained
  5. customis purified by Preparative LC/MS (gradient: acetonitrile/water/TFA 0.07%)
  6. customThe product obtained
  7. dry with materialThe organic phase is dried over magnesium sulphate
  8. filtrationfiltered
  9. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-73aec03e3b95491aa51738f14044dd51
Quelldatensatz
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07935819B2

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