Sodium Hydroxide → [3-{1-[(Benzoyloxy)carbonyl]piperidin-4-yl}-2-oxotetrahydropyrimidin-1(2H)-yl]acetic acid

HRID 2366546

Reaktionsgleichung

Reaktionsgleichung von HRID 2366546
[OH-:1].[Na+].C([O:7][C:8]([CH2:10][N:11]1[CH2:16][CH2:15][CH2:14][N:13]([CH:17]2[CH2:22][CH2:21][N:20]([C:23]([O:25][CH2:26][C:27]3[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=3)=[O:24])[CH2:19][CH2:18]2)[C:12]1=[O:33])=[O:9])(C)(C)C>C(O)C>[C:26]([O:25][C:23]([N:20]1[CH2:21][CH2:22][CH:17]([N:13]2[CH2:14][CH2:15][CH2:16][N:11]([CH2:10][C:8]([OH:7])=[O:9])[C:12]2=[O:33])[CH2:18][CH2:19]1)=[O:24])(=[O:1])[C:27]1[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=1

Komponenten

4

Edukt 2

HCID 14798Sodium HydroxideHCID 68417510benzyl 4-[3-(tert-butoxycarbonylmethyl)-2-oxotetrahydropyrimidin-1(2H)-yl]piperidin-1-carboxylate

Produkt 1

HCID 86623802[3-{1-[(Benzoyloxy)carbonyl]piperidin-4-yl}-2-oxotetrahydropyrimidin-1(2H)-yl]acetic acid

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 702EthanolLösungsmittel

Versuchsvorschrift

An aqueous 4N sodium hydroxide solution (10 mL) was added to a solution of benzyl 4-[3-(tert-butoxycarbonylmethyl)-2-oxotetrahydropyrimidin-1(2H)-yl]piperidin-1-carboxylate (1.7 g) obtained in Example 35a) in ethanol (20 mL), and the mixture was stirred at room temperature overnight. Ethanol was distilled off under reduced pressure, and 1N hydrochloric acid was added to the residue to adjust pH to 3, followed by extraction with chloroform. The extract was dried over anhydrous magnesium sulfate, and concentrated under reduced pressure to obtain the title compound (1.5 g, quantitative) as a white powder.

Aufarbeitung

  1. distillationEthanol was distilled off under reduced pressure, and 1N hydrochloric acid
  2. additionwas added to the residue
  3. extractionfollowed by extraction with chloroform
  4. dry with materialThe extract was dried over anhydrous magnesium sulfate
  5. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-f0f2673aed344381a9eeb7d5c2dac239
Quelldatensatz
uspto-grants-2014_04
Patentnummer
US08697865B2

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