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3-[4-(2-Fluoro-4-nitrophenoxy)pyridin-2-yl]-1-methyl-1-(1-methylpiperidin-4-yl)urea → 3-[4-(4-Amino-2-fluorophenoxy)pyridin-2-yl]-1-methyl-1-(1-methylpiperidin-4-yl)urea

HRID 2265594
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2265594
[F:1][C:2]1[CH:26]=[C:25]([N+:27]([O-])=O)[CH:24]=[CH:23][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][N:8]=[C:7]([NH:11][C:12](=[O:22])[N:13]([CH3:21])[CH:14]2[CH2:19][CH2:18][N:17]([CH3:20])[CH2:16][CH2:15]2)[CH:6]=1>O1CCCC1.CO.[Pd]>[NH2:27][C:25]1[CH:24]=[CH:23][C:3]([O:4][C:5]2[CH:10]=[CH:9][N:8]=[C:7]([NH:11][C:12](=[O:22])[N:13]([CH3:21])[CH:14]3[CH2:15][CH2:16][N:17]([CH3:20])[CH2:18][CH2:19]3)[CH:6]=2)=[C:2]([F:1])[CH:26]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 1

HCID 231533483-[4-(2-Fluoro-4-nitrophenoxy)pyridin-2-yl]-1-methyl-1-(1-methylpiperidin-4-yl)urea

Produkt 1

HCID 231535663-[4-(4-Amino-2-fluorophenoxy)pyridin-2-yl]-1-methyl-1-(1-methylpiperidin-4-yl)ureaAusbeute 78 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 23938PalladiumKatalysatorHCID 887MethanolLösungsmittel
HCID 8028
Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

3-[4-(2-Fluoro-4-nitrophenoxy)pyridin-2-yl]-1-methyl-1-(1-methylpiperidin-4-yl)urea (243 mg) was dissolved in tetrahydrofuran (6 ml)-methanol (6 ml), and 10% palladium on carbon (128 mg) was added thereto, followed by stirring under a hydrogen atmosphere for 3 hr. The atmosphere in the reaction vessel was replaced with nitrogen, and the catalyst was removed by filtration and washed with methanol. The filtrate was concentrated under reduced pressure, and the resultant residue was purified by silica gel column chromatography (Fuji Silysia NH, eluent; ethyl acetate) and concentrated under reduced pressure to provide the titled compound as pale yellow powder (175 mg, 78.0%).

Aufarbeitung

  1. additionwas added
  2. customthe catalyst was removed by filtration
  3. washwashed with methanol
  4. concentrationThe filtrate was concentrated under reduced pressure
  5. customthe resultant residue was purified by silica gel column chromatography (Fuji Silysia NH, eluent; ethyl acetate)
  6. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-e29be5be837d4657a469dec2dfa9d455
Quelldatensatz
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07855290B2

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