StartseiteMCPWorkbenchSkills
StartseiteWorkbenchBenachrichtigungenMein Bereich
llms.txt · MCP-AnleitungDatenschutz · Nutzungsbedingungen · Supportv1.8.0
  1. Startseite
  2. /Reaktion

Lithium hydroxide, monohydrate → HCID 178524878, Verbindung

HRID 2169129
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2169129
C([O:5][C:6]([C:8]1[C:13]([O:14][CH2:15][C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)=[C:12]([OH:22])[N:11]=[C:10]([CH2:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=2[C:30]2[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=2)[N:9]=1)=[O:7])(C)(C)C.O.[OH-].[Li+]>O1CCCC1.O>[CH2:15]([O:14][C:13]1[C:8]([C:6]([OH:7])=[O:5])=[N:9][C:10]([CH2:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=2[C:30]2[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=2)=[N:11][C:12]=1[OH:22])[C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 168937Lithium hydroxide, monohydrateHCID 178450818HCID 178450818, Verbindung

Produkt 1

HCID 178524878HCID 178524878, VerbindungAusbeute 68,1 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a stirred solution of 5-benzyloxy-2-biphenyl-2-ylmethyl-6-hydroxypyrimidine-4-carboxylic acid tert-butyl ester (6-01) (5 g, 10.68 mmol) in a mixture of tetrahydrofuran and water (2:1, 90 mL) was added lithium hydroxide, monohydrate (2.2 g, 53.4 mml). The mixture was refluxed for 18 h. After completion of the reaction, the volume was reduced by evaporation as much as possible, water was added and the mixture was washed with ethyl acetate to remove non-acidic impurities. The separated aqueous part was acidified with 1N HCl to bring the pH to about 5 to 6. The acidified aqueous part was extracted with dichloromethane to get 5-benzyloxy-2-biphenyl-2-ylmethyl-6-hydroxypyrimidine-4-carboxylic acid (7-01) (3 g, 68%) as a white solid.

Aufarbeitung

  1. temperatureThe mixture was refluxed for 18 h
  2. customAfter completion of the reaction
  3. customthe volume was reduced by evaporation as much as possible, water
  4. additionwas added
  5. washthe mixture was washed with ethyl acetate
  6. customto remove non-acidic impurities
  7. extractionThe acidified aqueous part was extracted with dichloromethane

Quellen und Nachweise

ORD-Eintrag
ord-51dfefe0057f4b48aa7136697c38f25e
Quelldatensatz
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09045486B2

Notizen zur Reaktion

Wird geladen…

Auf dieser SeiteKomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion