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Tetrahydrofuran → 3-(3-(6-(2-Fluoro-phenoxy)-pyridin-3-ylmethyl)-isoxazol-5-yl)-pyridin-2-ylamine

HRID 78002
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 78002
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:33]=[CH:32][CH:31]=[CH:30][C:17]=1[O:18][C:19]1[N:24]=[CH:23][C:22]([CH2:25][C:26](Cl)=[N:27][OH:28])=[CH:21][CH:20]=1.C(N(CC)CC)C>O>[F:15][C:16]1[CH:33]=[CH:32][CH:31]=[CH:30][C:17]=1[O:18][C:19]1[N:24]=[CH:23][C:22]([CH2:25][C:26]2[CH:7]=[C:6]([C:8]3[C:9]([NH2:14])=[N:10][CH:11]=[CH:12][CH:13]=3)[O:28][N:27]=2)=[CH:21][CH:20]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 8028TetrahydrofuranHCID 8471TriethylamineHCID 124225263-Ethynylpyridin-2-amineHCID 72262887(6-(2-Fluoro-phenoxy)-pyridin-3-yl)-acetohydroximoyl chloride

Produkt 1

HCID 592551803-(3-(6-(2-Fluoro-phenoxy)-pyridin-3-ylmethyl)-isoxazol-5-yl)-pyridin-2-ylamine

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962
Water
Lösungsmittel

Reaktionsbedingungen

Temperatur
55 °C

Versuchsvorschrift

To a tetrahydrofuran (1 mL) solution of 3-ethynyl-pyridin-2-ylamine (9.0 mg, 0.076 mmol) described in Manufacturing Example 1-2-3 and (6-(2-fluoro-phenoxy)-pyridine-3-yl)-acetohydroximoyl chloride (28 mg) described in Manufacturing Example 74-1-4 was added triethylamine (21 μL, 0.15 mmol), which was stirred for 5 hours at 55° C. The mixture was cooled to room temperature and water was added at that temperature, followed by extraction with ethyl acetate. The organic layer was washed with saturated aqueous sodium chloride, and was concentrated under a reduced pressure. The residue was purified by NH silica gel column chromatography (ethyl acetate:heptane=2:1) to obtain the title compound as a crude product. This was then purified by reverse-phase high-performance liquid chromatography (using an acetonitrile-water mobile phase containing 0.1% trifluoracetic acid). Triethylamine was added to make the solvent basic when concentrating the mobile phase, and the eluate was concentrated under a reduced pressure. The resulting residue was washed with water to obtain the title compound (1.0 mg, 4%).

Aufarbeitung

  1. temperatureThe mixture was cooled to room temperature
  2. extractionfollowed by extraction with ethyl acetate
  3. washThe organic layer was washed with saturated aqueous sodium chloride
  4. concentrationwas concentrated under a reduced pressure
  5. customThe residue was purified by NH silica gel column chromatography (ethyl acetate:heptane=2:1)

Quellen und Nachweise

ORD-Eintrag
ord-4e10371880ed4ac6a30da812b99ed773
Quelldatensatz
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08841327B2

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