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Ethyl 3-(methylamino)propanoate → Ethyl 3-[{[5-({1-[5-(6-methoxypyridin-3-yl)-2-methylfuran-3-yl]-3-methylbutyl}amino)pyridin-2-yl]carbonyl}(methyl)amino]propanoate

HRID 1877296
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1877296
[CH3:1][O:2][C:3]1[N:8]=[CH:7][C:6]([C:9]2[O:13][C:12]([CH3:14])=[C:11]([CH:15]([NH:20][C:21]3[CH:22]=[CH:23][C:24]([C:27]([OH:29])=O)=[N:25][CH:26]=3)[CH2:16][CH:17]([CH3:19])[CH3:18])[CH:10]=2)=[CH:5][CH:4]=1.[CH3:30][NH:31][CH2:32][CH2:33][C:34]([O:36][CH2:37][CH3:38])=[O:35].Cl.C(N=C=NCCCN(C)C)C.O.OC1C2N=NNC=2C=CC=1>CN(C)C=O.C(OCC)(=O)C.C(N(CC)CC)C>[CH3:1][O:2][C:3]1[N:8]=[CH:7][C:6]([C:9]2[O:13][C:12]([CH3:14])=[C:11]([CH:15]([NH:20][C:21]3[CH:22]=[CH:23][C:24]([C:27]([N:31]([CH3:30])[CH2:32][CH2:33][C:34]([O:36][CH2:37][CH3:38])=[O:35])=[O:29])=[N:25][CH:26]=3)[CH2:16][CH:17]([CH3:19])[CH3:18])[CH:10]=2)=[CH:5][CH:4]=1
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Komponenten

8

Edukt 4

HCID 541480Ethyl 3-(methylamino)propanoateHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 685145755-({1-[5-(6-Methoxypyridin-3-yl)-2-methylfuran-3-yl]-3-methylbutyl}amino)pyridine-2-carboxylic acidHCID 178526939HCID 178526939, Verbindung

Produkt 1

HCID 68511478
Ethyl 3-[{[5-({1-[5-(6-methoxypyridin-3-yl)-2-methylfuran-3-yl]-3-methylbutyl}amino)pyridin-2-yl]carbonyl}(methyl)amino]propanoate
Ausbeute 30,5 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 6228DimethylformamideLösungsmittelHCID 8471TriethylamineLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

A solution of 5-({1-[5-(6-methoxypyridin-3-yl)-2-methylfuran-3-yl]-3-methylbutyl}amino)pyridine-2-carboxylic acid (395 mg), ethyl 3-(methylamino)propanoate (157 mg), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (230 mg), hydroxybenzotriazole monohydrate (184 mg) and triethylamine (168 μL) in N,N-dimethylformamide (10 mL) was stirred at room temperature for 4 hr. Ethyl acetate was added, the mixture was washed with saturated aqueous sodium hydrogen carbonate solution and water, and the organic layer was dried over magnesium sulfate. The solvent was evaporated under reduced pressure, and the organic layer was dried over magnesium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel chromatography (5% ethyl acetate/hexane to 50% ethyl acetate/hexane) to give ethyl 3-[{[5-({1-[5-(6-methoxypyridin-3-yl)-2-methylfuran-3-yl]-3-methylbutyl}amino)pyridin-2-yl]carbonyl}(methyl)amino]propanoate (155 mg). Ethyl 3-[{[5-({1-[5-(6-methoxypyridin-3-yl)-2-methylfuran-3-yl]-3-methylbutyl}amino)pyridin-2-yl]carbonyl}(methyl)amino]propanoate was dissolved in ethanol (2 mL), tetrahydrofuran (2 mL) and 1N lithium hydroxide (0.6 mL) were added, and the mixture was stirred at room temperature for 1 hr. The solvent was evaporated under reduced pressure, and water (10 mL) was added. The mixture was neutralized with 1N hydrochloric acid under ice-cooling, and stirred for 1 hr. The resulting precipitate was collected by filtration and dried to give the title compound (100 mg, 70%).

Aufarbeitung

  1. washthe mixture was washed with saturated aqueous sodium hydrogen carbonate solution and water
  2. dry with materialthe organic layer was dried over magnesium sulfate
  3. customThe solvent was evaporated under reduced pressure
  4. dry with materialthe organic layer was dried over magnesium sulfate
  5. customThe solvent was evaporated under reduced pressure
  6. customThe residue was purified by silica gel chromatography (5% ethyl acetate/hexane to 50% ethyl acetate/hexane)

Quellen und Nachweise

ORD-Eintrag
ord-4bd4ff607e91477ea201b0e430596888
Quelldatensatz
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08309580B2

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