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Tetrahydrofuran → HCID 59255347, Verbindung

HRID 1891703
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1891703
O1CCCC1.[C:6]([C:8]1[C:9]([NH2:14])=[N:10][CH:11]=[CH:12][CH:13]=1)#[CH:7].[F:15][C:16]1[CH:17]=[C:18]([CH:31]=[CH:32][CH:33]=1)[O:19][C:20]1[N:25]=[CH:24][C:23]([CH2:26][C:27](Cl)=[N:28][OH:29])=[CH:22][CH:21]=1.C(N(CC)CC)C>O>[F:15][C:16]1[CH:17]=[C:18]([CH:31]=[CH:32][CH:33]=1)[O:19][C:20]1[N:25]=[CH:24][C:23]([CH2:26][C:27]2[CH:7]=[C:6]([C:8]3[C:9]([NH2:14])=[N:10][CH:11]=[CH:12][CH:13]=3)[O:29][N:28]=2)=[CH:22][CH:21]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 8028TetrahydrofuranHCID 8471TriethylamineHCID 124225263-Ethynylpyridin-2-amineHCID 72262903(6-(3-Fluoro-phenoxy)-pyridin-3-yl)-acetohydroximoyl chloride

Produkt 1

HCID 59255347HCID 59255347, VerbindungAusbeute 53,6 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962
Water
Lösungsmittel

Reaktionsbedingungen

Temperatur
50 °C

Versuchsvorschrift

To a tetrahydrofuran (4 mL) solution of 3-ethynyl-pyridin-2-ylamine (20 mg, 0.17 mmol) described in Manufacturing Example 1-2-3 and (6-(3-fluoro-phenoxy)-pyridin-3-yl)-acetohydroximoyl chloride (95 mg, 0.34 mmol) described in Manufacturing Example 71-1-4 was added triethylamine (47 μL, 0.34 mmol), which was stirred for 3 hours at 50° C. under nitrogen atmosphere. Water was added to the reaction solution at room temperature, which was then extracted with ethyl acetate. The organic layer was separated, washed with saturated aqueous sodium chloride, dried over anhydrous magnesium sulfate, and filtered. The filtrate was concentrated under a reduced pressure, and the filtrate was purified by NH silica gel column chromatography (ethyl acetate:methanol=20:1) and further purified by reverse-phase high-performance liquid chromatography (using an acetonitrile-water mobile phase containing 0.1% trifluoracetc acid) to obtain the title compound (33 mg, 33%) as a ditrifluoracetic acid salt.

Aufarbeitung

  1. extractionwhich was then extracted with ethyl acetate
  2. customThe organic layer was separated
  3. washwashed with saturated aqueous sodium chloride
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. concentrationThe filtrate was concentrated under a reduced pressure
  7. customthe filtrate was purified by NH silica gel column chromatography (ethyl acetate:methanol=20:1)
  8. customfurther purified by reverse-phase high-performance liquid chromatography (
  9. additioncontaining 0.1% trifluoracetc acid)

Quellen und Nachweise

ORD-Eintrag
ord-a0aeeb7e2e624e5abf691c51f9152d0a
Quelldatensatz
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08507530B2

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