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1,4-Dioxane → ethyl 2-[(1S,2S,4R)-bicyclo[2.2.1]hept-2-ylamino]-4-isopropylpyrimidine-5-carboxylate

HRID 38762
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 38762
[CH:1]([C:4]1[C:9]([C:10]([O:12][CH2:13][CH3:14])=[O:11])=[CH:8][N:7]=[C:6](S(C)(=O)=O)[N:5]=1)([CH3:3])[CH3:2].Cl.[C@@H:20]12[CH2:26][C@@H:23]([CH2:24][CH2:25]1)[CH2:22][C@@H:21]2[NH2:27].O1CCOCC1.C(N(CC)C(C)C)(C)C>O>[C@@H:20]12[CH2:26][C@@H:23]([CH2:24][CH2:25]1)[CH2:22][C@@H:21]2[NH:27][C:6]1[N:5]=[C:4]([CH:1]([CH3:3])[CH3:2])[C:9]([C:10]([O:12][CH2:13][CH3:14])=[O:11])=[CH:8][N:7]=1
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Komponenten

6

Edukt 4

HCID 312751,4-DioxaneHCID 81531DiisopropylethylamineHCID 58168829Ethyl 4-isopropyl-2-(methylsulfonyl)pyrimidine-5-carboxylateHCID 66720410exo-Bicyclo[2.2.1]heptan-2-amine hydrochloride

Produkt 1

HCID 66720224ethyl 2-[(1S,2S,4R)-bicyclo[2.2.1]hept-2-ylamino]-4-isopropylpyrimidine-5-carboxylateAusbeute 93,6 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

To a mixture of ethyl 4-isopropyl-2-(methylsulfonyl)pyrimidine-5-carboxylate (400 mg), (1S,2S,4R)-bicyclo[2.2.1]heptan-2-aminehydrochloride (347 mg), and 1,4-dioxane (8 mL) was added N,N-diisopropyl ethylamine (1 mL) at room temperature, followed by stirring at the same temperature for 16 hours. To the reaction mixture was added water, and the aqueous layer was extracted with ethyl acetate. The organic layer was washed with water and saturated brine, and dried over anhydrous magnesium sulfate, and then the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: hexane-ethyl acetate) to obtain ethyl 2-[(1S,2S,4R)-bicyclo[2.2.1]hept-2-ylamino]-4-isopropylpyrimidine-5-carboxylate (417 mg) as a pale yellow solid.

Aufarbeitung

  1. extractionthe aqueous layer was extracted with ethyl acetate
  2. washThe organic layer was washed with water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customthe solvent was evaporated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (eluent: hexane-ethyl acetate)

Quellen und Nachweise

ORD-Eintrag
ord-7b364c9ee82940c7b984d470e17e8512
Quelldatensatz
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08524727B2

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