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Ammonium Chloride → Ethyl 3-{[(4-{[cyclopentyl(3-methyl-1-benzothiophen-2-yl)methyl]amino}phenyl)carbonyl]amino}propanoate

HRID 2091080
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2091080
[CH:1]1([CH:6]([NH:17][C:18]2[CH:26]=[CH:25][C:21]([C:22](O)=[O:23])=[CH:20][CH:19]=2)[C:7]2[S:8][C:9]3[CH:16]=[CH:15][CH:14]=[CH:13][C:10]=3[C:11]=2[CH3:12])[CH2:5][CH2:4][CH2:3][CH2:2]1.Cl.[CH2:28]([O:30][C:31](=[O:35])[CH2:32][CH2:33][NH2:34])[CH3:29].O.ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C.[Cl-].[NH4+]>CN(C)C=O.C(N(CC)CC)C>[CH:1]1([CH:6]([NH:17][C:18]2[CH:19]=[CH:20][C:21]([C:22]([NH:34][CH2:33][CH2:32][C:31]([O:30][CH2:28][CH3:29])=[O:35])=[O:23])=[CH:25][CH:26]=2)[C:7]2[S:8][C:9]3[CH:16]=[CH:15][CH:14]=[CH:13][C:10]=3[C:11]=2[CH3:12])[CH2:5][CH2:4][CH2:3][CH2:2]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

8

Edukt 5

HCID 25517Ammonium ChlorideHCID 458475beta-Alanine, ethyl ester, hydrochlorideHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 667776404-{[Cyclopentyl(3-methyl-1-benzothiophen-2-yl)methyl]amino}benzoic acid

Produkt 1

HCID 66777626
Ethyl 3-{[(4-{[cyclopentyl(3-methyl-1-benzothiophen-2-yl)methyl]amino}phenyl)carbonyl]amino}propanoate
Ausbeute 87 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittelHCID 8471TriethylamineLösungsmittel

Versuchsvorschrift

To a mixture of 4-{[cyclopentyl(3-methyl-1-benzothiophen-2-yl)methyl]amino}benzoic acid (300 mg) synthesized above, β-alanine ethyl ester hydrochloride (189 mg), 1-hydroxybenzotriazole monohydrate (188 mg), triethylamine (343 μL) and N,N-dimethylformamide (10 mL) was added 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (236 mg), and the mixture was stirred at room temperature for 5 hr. Saturated aqueous ammonium chloride solution was added to quench the reaction, and the reaction mixture was extracted with ethyl acetate. The extract was washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine, dried over magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (30-70% ethyl acetate/hexane) to give the title object compound (331 mg, 87%) as a pale-brown oil.

Aufarbeitung

  1. customto quench
  2. customthe reaction
  3. extractionthe reaction mixture was extracted with ethyl acetate
  4. washThe extract was washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine
  5. dry with materialdried over magnesium sulfate
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was purified by silica gel column chromatography (30-70% ethyl acetate/hexane)

Quellen und Nachweise

ORD-Eintrag
ord-e2359303c7c4474a92202bc1459a11bb
Quelldatensatz
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08436043B2

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