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Hydrochloric Acid → HCID 135992965, Verbindung

HRID 968841
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 968841
C([O:3][C:4](=[O:33])[C:5]([O:8][C:9]1[CH:14]=[CH:13][C:12]([CH2:15][CH2:16][CH2:17][C:18]2[NH:22][C:21](=[O:23])[N:20]([CH2:24][C:25]3[CH:30]=[CH:29][CH:28]=[C:27]([O:31][CH3:32])[CH:26]=3)[N:19]=2)=[CH:11][CH:10]=1)([CH3:7])[CH3:6])C.[OH-].[Na+].Cl>C(O)C.O>[CH3:32][O:31][C:27]1[CH:26]=[C:25]([CH:30]=[CH:29][CH:28]=1)[CH2:24][N:20]1[C:21](=[O:23])[NH:22][C:18]([CH2:17][CH2:16][CH2:15][C:12]2[CH:11]=[CH:10][C:9]([O:8][C:5]([CH3:7])([CH3:6])[C:4]([OH:33])=[O:3])=[CH:14][CH:13]=2)=[N:19]1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 135992966HCID 135992966, Verbindung

Produkt 1

HCID 135992965HCID 135992965, VerbindungAusbeute 97 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 702EthanolLösungsmittel
HCID 962
Water
Lösungsmittel

Reaktionsbedingungen

Temperatur
70 °C

Versuchsvorschrift

2-(4-{3-[1-(3-Methoxy-benzyl)-5-oxo-4,5-dihydro-1H-[1,2,4]triazol-3-yl]-propyl}-phenoxy)-2-methyl-propionic acid ethyl ester (1.55 g, 3.42 mmol) was dissolved in a mixture of ethanol (7.5 mL) and water (7.5 mL). Solid sodium hydroxide (0.36 g, 8.73 mmol) was added in one portion and the solution was warmed to 70° C. and stirred for 1 h. The solution was cooled to rt and the pH adjusted to 7 with 6N HCl. The solution was concentrated to an oil, which was partitioned between 1N HCl (10 mL) and ethyl acetate (15 mL). The aqueous layer was then reextracted with ethyl acetate (15 mL) and the combined organic layers were dried (MgSO4), filtered and concentrated in vacuo at 50° C. to afford the title compound as an oil (1.41 g, 97.0%). 1H NMR (DMSO-d6) δ 13.0 (broad s, 1 H), 11.47 (s, 1 H), 7.23 (t, 1 H, J=8 Hz), 7.03 (d, 2 H, J=8 Hz), 6.82 (d, 1 H, J=2 Hz), 6.75 (m, 5 H), 4.73 (s, 2 H), 3.70 (s, 3 H), 3.35 (broad s, 1 H), 2.48 (t, 2 H, J=8 Hz), 2.36 (t, 2 H, J=8 Hz), 1.80 (quint, 2 H, J=7 Hz), 1.46 (s, 6 H); 13C NMR (DMSO-d6, 20° C.) δ 175.8, 160.0, 155.0, 154.1, 146.8, 139.8, 135.0, 130.3, 129.7, 120.1, 119.1, 113.8, 113.2, 78.9, 55.6, 47.8, 40.6, 40.5, 34.0, 28.4, 27.5, 26.2, 25.7; IR (CHCl3) 1707, 1603, 1509, 1159 cm−1; Anal. Calcd. for C23H27N3O5: C, 64.93; H, 6.40; N, 9.88. Found: C, 65.02; H, 6.65; N, 9.57.

Aufarbeitung

  1. temperatureThe solution was cooled to rt
  2. concentrationThe solution was concentrated to an oil, which
  3. customwas partitioned between 1N HCl (10 mL) and ethyl acetate (15 mL)
  4. dry with materialthe combined organic layers were dried (MgSO4)
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo at 50° C.

Quellen und Nachweise

ORD-Eintrag
ord-dedcc6c520a64507909a550dfc87f269
Quelldatensatz
uspto-grants-2007_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07304062B2

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