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Hydrochloric Acid → 2-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)-8-((trans)-3-fluoropiperidin-4-yloxy)quinoline

HRID 2035650
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2035650
[N:1]1[N:2]=[C:3]([C:10]2[CH:19]=[CH:18][C:17]3[C:12](=[C:13]([O:20][C@@H:21]4[CH2:26][CH2:25][N:24](C(OCC5C=CC=CC=5)=O)[CH2:23][C@H:22]4[F:37])[CH:14]=[CH:15][CH:16]=3)[N:11]=2)[N:4]2[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=12.Cl.C([O-])(O)=O.[Na+].[Na+].[Cl-]>O1CCOCC1.O>[N:1]1[N:2]=[C:3]([C:10]2[CH:19]=[CH:18][C:17]3[C:12](=[C:13]([O:20][C@@H:21]4[CH2:26][CH2:25][NH:24][CH2:23][C@H:22]4[F:37])[CH:14]=[CH:15][CH:16]=3)[N:11]=2)[N:4]2[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=12
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 313Hydrochloric AcidHCID 5234Sodium ChlorideHCID 516892Sodium BicarbonateHCID 131731020(trans)-Benzyl 4-(2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)quinolin-8-yloxy)-3-fluoropiperidine-1-carboxylate

Produkt 1

HCID 672301232-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)-8-((trans)-3-fluoropiperidin-4-yloxy)quinoline

Reagenzien, Katalysatoren, Lösungsmittel

2
HCID 962WaterLösungsmittelHCID 312751,4-DioxaneLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

Non-racemic (trans)-benzyl 4-(2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)quinolin-8-yloxy)-3-fluoropiperidine-1-carboxylate (0.304 g, 0.611 mmol) was dissolved in dioxane (7.6 mL) and treated with 6 M hydrogen chloride (7.64 mL, 45.8 mmol), and the reaction mixture was heated at 100° C. for 15 hours. The reaction was cooled and carefully neutralized with solid NaHCO3. Additional water was added to dissolve the resulting NaCl as the neutralization proceeded. The resulting aqueous layer (pH 8-9) was extracted with methylene chloride and the combined organic layers were dried over Na2SO4 and concentrated in vacuo. The crude product was chromatographed on SiO2 eluting with a gradient of 2% NH4OH in isopropanol/methylene chloride. The desired product was isolated as a white foam (62.6 mg). MS APCI (+) m/z 364.2 (M+1) detected.

Aufarbeitung

  1. temperatureThe reaction was cooled
  2. extractionThe resulting aqueous layer (pH 8-9) was extracted with methylene chloride
  3. dry with materialthe combined organic layers were dried over Na2SO4
  4. concentrationconcentrated in vacuo
  5. customThe crude product was chromatographed on SiO2 eluting with a gradient of 2% NH4OH in isopropanol/methylene chloride

Quellen und Nachweise

ORD-Eintrag
ord-9cdbfbebd9514701a28c1d081981cf19
Quelldatensatz
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08575145B2

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