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Piperazine → 1-(4-Fluoro-benzyl)-6-methyl-2-oxo-4-(piperazin-1-yl)-1,2-dihydro-quinolin-3-carbonitrile

HRID 970574
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 970574
Cl[C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[C:9]([CH3:12])[CH:10]=2)[N:5]([CH2:13][C:14]2[CH:19]=[CH:18][C:17]([F:20])=[CH:16][CH:15]=2)[C:4](=[O:21])[C:3]=1[C:22]#[N:23].[NH:24]1[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]1>ClCCl>[F:20][C:17]1[CH:18]=[CH:19][C:14]([CH2:13][N:5]2[C:6]3[C:11](=[CH:10][C:9]([CH3:12])=[CH:8][CH:7]=3)[C:2]([N:24]3[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]3)=[C:3]([C:22]#[N:23])[C:4]2=[O:21])=[CH:15][CH:16]=1
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Komponenten

4

Edukt 2

HCID 4837PiperazineHCID 210819584-Chloro-1-(4-fluorobenzyl)-6-methyl-2-oxo-1,2-dihydro-quinoline-3-carbonitrile

Produkt 1

HCID 210818991-(4-Fluoro-benzyl)-6-methyl-2-oxo-4-(piperazin-1-yl)-1,2-dihydro-quinolin-3-carbonitrileAusbeute 72 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel2×

Versuchsvorschrift

A solution of Compound 22 (1.6 g, 4.9 mmol) in dichloromethane was added slowly to a stirred solution of piperazine (2.2 g, 24.5 mmol) in CH2Cl2 at room temperature and further stirred overnight. The solvent was removed under reduced pressure. The residue was taken in water, sonicated briefly, and filtered. The solids were dissolved in ethyl acetate and washed by water. The organic layer was dried over Na2SO4 and concentrated to yield 1.30 g (72%) of yellow solids. M.P. 121° C. 1H NMR (DMSO-d6): δ 2.35 (s, 3H), 2.96 (m, 4H), 3.54 (m, 4H), 5.42 (s, 2H), 7.11-7.17 (m, 2H), 7.23-7.26 (m, 2H), 7.44 (dd, J=1.2, 8.6 Hz, 1H), 7.64 (s, 1H). EIMS m/z 377 (M+1).

Aufarbeitung

  1. customThe solvent was removed under reduced pressure
  2. customsonicated briefly
  3. filtrationfiltered
  4. dissolutionThe solids were dissolved in ethyl acetate
  5. washwashed by water
  6. dry with materialThe organic layer was dried over Na2SO4
  7. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-8dddca1e721b4ee9b94bdba3601badda
Quelldatensatz
uspto-grants-2007_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07312221B2

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