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Water → 3-{2-Amino-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine

HRID 1241311
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1241311
O.[F:2][C:3]1[C:22]([N:23]2[C:28](=[O:29])[CH:27]=[C:26]([C:30]([F:33])([F:32])[F:31])[N:25]([CH3:34])[C:24]2=[O:35])=[CH:21][C:6]([O:7][C:8]2[C:9]([O:14][CH:15]([C:17]([O:19][CH3:20])=[O:18])[CH3:16])=[N:10][CH:11]=[CH:12][CH:13]=2)=[C:5]([N+:36]([O-])=O)[CH:4]=1>C(O)(=O)C.[Fe]>[NH2:36][C:5]1[CH:4]=[C:3]([F:2])[C:22]([N:23]2[C:28](=[O:29])[CH:27]=[C:26]([C:30]([F:31])([F:33])[F:32])[N:25]([CH3:34])[C:24]2=[O:35])=[CH:21][C:6]=1[O:7][C:8]1[C:9]([O:14][CH:15]([C:17]([O:19][CH3:20])=[O:18])[CH3:16])=[N:10][CH:11]=[CH:12][CH:13]=1
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Komponenten

5

Edukt 2

HCID 962WaterHCID 219335633-{4-Fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]-2-nitrophenoxy}-2-{1-(methoxycarbonyl)-ethoxy}pyridine

Produkt 1

HCID 121155033-{2-Amino-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 23925IronKatalysator
HCID 176
Acetic Acid
Lösungsmittel
2×

Versuchsvorschrift

To a mixture of 0.21 g of iron powder, 3 ml of acetic acid, and 0.3 ml of water was added dropwise a solution of 3-{4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]-2-nitrophenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine in 1.2 ml of acetic acid, while the temperature of the reaction mixture was kept at 35° C. or lower. After completion of the dropwise addition, the mixture was stirred for 1 hour and then filtered through Celite. The filtrate was diluted with ethyl acetate. The mixture was neutralized with saturated aqueous sodium bicarbonate solution. The organic layer was washed with saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated. The residue was subjected to silica gel chromatography to give 0.16 g of 3-{2-amino-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine as a mixture of diastereoisomers.

Aufarbeitung

  1. customwas kept at 35° C.
  2. additionAfter completion of the dropwise addition
  3. filtrationfiltered through Celite
  4. additionThe filtrate was diluted with ethyl acetate
  5. washThe organic layer was washed with saturated aqueous sodium chloride solution
  6. dry with materialdried over anhydrous magnesium sulfate
  7. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-69a74d20cacb4f999e1367b6e3cd2ab0
Quelldatensatz
uspto-grants-2006_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07115544B2

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