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Hydrochloric Acid → methyl rac-2-[(1R,2R,4S)-bicyclo[2.2.1]hept-2-ylamino]-4-(trifluoromethyl)pyrimidine-5-carboxylate

HRID 38763
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 38763
Cl[C:2]1[N:7]=[C:6]([C:8]([F:11])([F:10])[F:9])[C:5]([C:12]([O:14][CH3:15])=[O:13])=[CH:4][N:3]=1.[CH:16]12[CH2:22][CH:19]([CH2:20][CH2:21]1)[CH2:18][CH:17]2[NH2:23].C(N(CC)C(C)C)(C)C.Cl>O.O1CCOCC1>[C@H:16]12[CH2:22][C@H:19]([CH2:20][CH2:21]1)[CH2:18][C@H:17]2[NH:23][C:2]1[N:7]=[C:6]([C:8]([F:11])([F:10])[F:9])[C:5]([C:12]([O:14][CH3:15])=[O:13])=[CH:4][N:3]=1
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Komponenten

7

Edukt 4

HCID 313Hydrochloric AcidHCID 81531DiisopropylethylamineHCID 98480Exo-2-bornanamineHCID 3696469Methyl 2-chloro-4-(trifluoromethyl)pyrimidine-5-carboxylate

Produkt 1

HCID 66720228methyl rac-2-[(1R,2R,4S)-bicyclo[2.2.1]hept-2-ylamino]-4-(trifluoromethyl)pyrimidine-5-carboxylateAusbeute 99,2 %

Reagenzien, Katalysatoren, Lösungsmittel

2
HCID 962WaterLösungsmittelHCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

To a mixture of methyl 2-chloro-4-(trifluoromethyl)pyrimidine-5-carboxylate (4.0 g), rac-(1R,2R,4S)-bicyclo[2.2.1]heptan-2-amine (3.7 g), and 1,4-dioxane (60 mL) was added N,N-diisopropyl ethylamine (4.3 mL) at room temperature, and the mixture was stirred at the same temperature for 19 hours. To the reaction mixture were added water and 1 M hydrochloric acid, followed by extraction 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 to obtain methyl rac-2-[(1R,2R,4S)-bicyclo[2.2.1]hept-2-ylamino]-4-(trifluoromethyl)pyrimidine-5-carboxylate (5.2 g) as a yellowish white solid.

Aufarbeitung

  1. extractionfollowed by extraction 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

Quellen und Nachweise

ORD-Eintrag
ord-b31c89843f824f2591d57d6670ce90d7
Quelldatensatz
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08524727B2

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