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Tetrahydrofuran → 3-(3-(4-Benzyloxy-benzyl)-isoxazol-5-yl)-6-methyl-pyridin-2-ylamine

HRID 640457
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 640457
O1CCCC1.[CH2:6]([O:13][C:14]1[CH:19]=[CH:18][C:17]([CH2:20][C:21](Cl)=[N:22][OH:23])=[CH:16][CH:15]=1)[C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1.[C:25]([C:27]1[C:28]([NH2:34])=[N:29][C:30]([CH3:33])=[CH:31][CH:32]=1)#[CH:26].C(N(CC)CC)C>O>[CH2:6]([O:13][C:14]1[CH:19]=[CH:18][C:17]([CH2:20][C:21]2[CH:26]=[C:25]([C:27]3[C:28]([NH2:34])=[N:29][C:30]([CH3:33])=[CH:31][CH:32]=3)[O:23][N:22]=2)=[CH:16][CH:15]=1)[C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 8028TetrahydrofuranHCID 8471TriethylamineHCID 552859393-Ethynyl-6-methylpyridin-2-amineHCID 722628734-Benzyloxy-phenyl-acetohydroximoyl chloride

Produkt 1

HCID 592554103-(3-(4-Benzyloxy-benzyl)-isoxazol-5-yl)-6-methyl-pyridin-2-ylamineAusbeute 46,7 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962
Water
Lösungsmittel

Reaktionsbedingungen

Temperatur
50 °C

Versuchsvorschrift

To a tetrahydrofuran (2 mL) solution of 4-benzyloxy-phenyl-acetohydroximoyl chloride (63 mg, 0.23 mmol) described in Manufacturing Example 1-1-3 and 3-ethynyl-6-methyl-pyridin-2-ylamine (20 mg, 0.15 mmol) described in Manufacturing Example 170-1-5 was added triethylamine (42 μL, 0.30 mmol) at room temperature, which was stirred for 4 hours at 50° C. Water was added to the reaction mixture, which was extracted with ethyl acetate. The organic layer was washed with saturated aqueous sodium chloride, dried over anhydrous magnesium sulfate, and filtered, and the filtrate was concentrated under a reduced pressure. The residue was purified by NH silica gel column chromatography (heptane:ethyl acetate=2:1), and then further purified by reverse-phase high performance liquid chromatography (using an acetonitrile-water mobile phase containing 0.1% trifluoroacetic acid) to obtain the title compound (26 mg, 34%) as a trifluoroacetic acid salt.

Aufarbeitung

  1. extractionwas extracted with ethyl acetate
  2. washThe organic layer was washed with saturated aqueous sodium chloride
  3. dry with materialdried over anhydrous magnesium sulfate
  4. filtrationfiltered
  5. concentrationthe filtrate was concentrated under a reduced pressure
  6. customThe residue was purified by NH silica gel column chromatography (heptane:ethyl acetate=2:1)
  7. customfurther purified by reverse-phase high performance liquid chromatography (
  8. additioncontaining 0.1% trifluoroacetic acid)

Quellen und Nachweise

ORD-Eintrag
ord-86bc09c8db284625ba28e014df3debdf
Quelldatensatz
uspto-grants-2010_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07691882B2

Notizen zur Reaktion

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