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Sodium Hydroxide → 2-[(3,5-Bis-trifluoromethyl-benzyl)-(5'-isopropyl-2'-methoxy-4-trifluoromethyl-biphenyl-2-ylmethyl)-amino]-pyrimidine-5-carboxylic acid

HRID 604122
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 604122
[F:1][C:2]([F:49])([F:48])[C:3]1[CH:4]=[C:5]([CH:41]=[C:42]([C:44]([F:47])([F:46])[F:45])[CH:43]=1)[CH2:6][N:7]([CH2:19][C:20]1[CH:25]=[C:24]([C:26]([F:29])([F:28])[F:27])[CH:23]=[CH:22][C:21]=1[C:30]1[CH:35]=[C:34]([CH:36]([CH3:38])[CH3:37])[CH:33]=[CH:32][C:31]=1[O:39][CH3:40])[C:8]1[N:13]=[CH:12][C:11]([C:14]([O:16]CC)=[O:15])=[CH:10][N:9]=1.[OH-].[Na+]>C(O)C.O1CCCC1>[F:47][C:44]([F:45])([F:46])[C:42]1[CH:41]=[C:5]([CH:4]=[C:3]([C:2]([F:1])([F:48])[F:49])[CH:43]=1)[CH2:6][N:7]([CH2:19][C:20]1[CH:25]=[C:24]([C:26]([F:29])([F:28])[F:27])[CH:23]=[CH:22][C:21]=1[C:30]1[CH:35]=[C:34]([CH:36]([CH3:37])[CH3:38])[CH:33]=[CH:32][C:31]=1[O:39][CH3:40])[C:8]1[N:9]=[CH:10][C:11]([C:14]([OH:16])=[O:15])=[CH:12][N:13]=1
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Komponenten

5

Edukt 2

HCID 14798Sodium HydroxideHCID 86626869Ethyl 2-[(3,5-bis-trifluoromethyl-benzyl)-(5'-isopropyl-2'-methoxy-4-trifluoromethyl-biphenyl-2-ylmethyl)-amino]-pyrimidine-5-carboxylate

Produkt 1

HCID 866268702-[(3,5-Bis-trifluoromethyl-benzyl)-(5'-isopropyl-2'-methoxy-4-trifluoromethyl-biphenyl-2-ylmethyl)-amino]-pyrimidine-5-carboxylic acidAusbeute 66,3 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 702
Ethanol
Lösungsmittel
HCID 8028TetrahydrofuranLösungsmittel

Reaktionsbedingungen

Temperatur
50 °C

Versuchsvorschrift

Ethyl 2-[(3,5-bis-trifluoromethyl-benzyl)-(5′-isopropyl-2′-methoxy-4-trifluoromethyl-biphenyl-2-ylmethyl)-amino]-pyrimidine-5-carboxylate (1.1 g) is dissolved in a mixed solvent of ethanol (18 ml) and tetrahydrofuran (20 ml) and thereto is added a 2M-aqueous sodium hydroxide solution (3 ml), and the mixture is stirred at 50° C. for 1 hour and a half. The reaction solution is concentrated under reduced pressure and thereto is added a 1N-hydrochloric acid and the mixture is extracted with ethyl acetate. The organic layer is washed with a saturated brine, dried over magnesium sulfate, and concentrated under reduced pressure. The resulting residue is purified by silica gel column chromatography (chloroform:methanol=25:1) to give 2-[(3,5-bis-trifluoromethyl-benzyl)-(5′-isopropyl-2′-methoxy-4-trifluoromethyl-biphenyl-2-ylmethyl)-amino]-pyrimidine-5-carboxylic acid (700 mg). MS (m/z): 672 [M+H]+

Aufarbeitung

  1. concentrationThe reaction solution is concentrated under reduced pressure
  2. additionis added a 1N-hydrochloric acid
  3. extractionthe mixture is extracted with ethyl acetate
  4. washThe organic layer is washed with a saturated brine
  5. dry with materialdried over magnesium sulfate
  6. concentrationconcentrated under reduced pressure
  7. customThe resulting residue is purified by silica gel column chromatography (chloroform:methanol=25:1)

Quellen und Nachweise

ORD-Eintrag
ord-d253a5bcd42f4fc9ac474c1e01d41b76
Quelldatensatz
uspto-grants-2011_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07906517B2

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