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Acetic Anhydride → 1-[2-(Acetylamino)ethyl]-7-[(4-fluorophenyl)methyl]-4-hydroxy-N-{2-[(1-methylethyl)oxy]ethyl}-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxamide

HRID 2364385
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Reaktionsgleichung

Reaktionsgleichung von HRID 2364385
[NH2:1][CH2:2][CH2:3][N:4]1[C:13]2[C:8](=[N:9][CH:10]=[C:11]([CH2:14][C:15]3[CH:20]=[CH:19][C:18]([F:21])=[CH:17][CH:16]=3)[CH:12]=2)[C:7]([OH:22])=[C:6]([C:23]([NH:25][CH2:26][CH2:27][O:28][CH:29]([CH3:31])[CH3:30])=[O:24])[C:5]1=[O:32].C(N(C(C)C)CC)(C)C.[C:42](OC(=O)C)(=[O:44])[CH3:43]>CN(C=O)C>[C:42]([NH:1][CH2:2][CH2:3][N:4]1[C:13]2[C:8](=[N:9][CH:10]=[C:11]([CH2:14][C:15]3[CH:16]=[CH:17][C:18]([F:21])=[CH:19][CH:20]=3)[CH:12]=2)[C:7]([OH:22])=[C:6]([C:23]([NH:25][CH2:26][CH2:27][O:28][CH:29]([CH3:30])[CH3:31])=[O:24])[C:5]1=[O:32])(=[O:44])[CH3:43]
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Komponenten

5

Edukt 3

HCID 7918Acetic AnhydrideHCID 81531DiisopropylethylamineHCID 694825271-(2-Aminoethyl)-7-[(4-fluorophenyl)methyl]-4-hydroxy-N-{2-[(1-methylethyl)oxy]ethyl}-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxamide

Produkt 1

HCID 694830761-[2-(Acetylamino)ethyl]-7-[(4-fluorophenyl)methyl]-4-hydroxy-N-{2-[(1-methylethyl)oxy]ethyl}-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxamide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

A solution of 1-(2-aminoethyl)-7-[(4-fluorophenyl)methyl]-4-hydroxy-N-{2-[(1-methylethyl)oxy]ethyl}-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxamide (0.021 g, 0.046 mmol) and diisopropyl ethylamine (0.04 mL, 0.23 mmol) in DMF (5 mL) under nitrogen was treated with acetic anhydride (0.0046 mL, 0.048 mmol) at ambient temperature. The reaction was concentrated in vacuo and the resulting residue was treated with 1 N NaHSO4. Extracted the mixture twice with EtOAc, combined the organics, dried over MgSO4, filtered and concentrated the filtrate. The residue was then triturated with Et2O, filtered, and dried in vacuo to provide the title compound as an off-white solid: 1H NMR (300 MHz, DMSO-D6) δ ppm 1.1 (d, J=6.0 Hz, 6 H), 1.7 (s, 3 H), 3.3 (q, J=6.1, 2 H), 3.5 (m, 3 H), 3.6 (m, 2 H), 4.1 (s, 2 H), 4.3 (t, J=6.5 Hz, 2 H), 7.1 (m, 2 H), 7.4 (ddd, J=12.1, 5.5, 3.2 Hz, 2 H), 8.0 (d, J=6.0 Hz, 1 H), 8.2 (d, J=1.3 Hz, 1 H), 8.5 (d, J=1.5 Hz, 1 H), 10.4 (t, J=5.1 Hz, 1 H), 17.1 (s, 1 H); ES+ MS: 485 (M+H+).

Aufarbeitung

  1. concentrationThe reaction was concentrated in vacuo
  2. additionthe resulting residue was treated with 1 N NaHSO4
  3. extractionExtracted the mixture twice with EtOAc
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated the filtrate
  7. customThe residue was then triturated with Et2O
  8. filtrationfiltered
  9. customdried in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-46de8482f37b4422877b1144be8c7ad9
Quelldatensatz
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08691991B2

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