2,4-Difluoronitrobenzene → N-(1-(3-bromophenyl)ethyl)-5-fluoro-2-nitrobenzenamine

HRID 1910562

Reaktionsgleichung

Reaktionsgleichung von HRID 1910562
[Br:1][C:2]1[CH:3]=[C:4]([CH:8]([NH2:10])[CH3:9])[CH:5]=[CH:6][CH:7]=1.F[C:12]1[CH:17]=[C:16]([F:18])[CH:15]=[CH:14][C:13]=1[N+:19]([O-:21])=[O:20].C(N(CC)C(C)C)(C)C>C(#N)C>[Br:1][C:2]1[CH:3]=[C:4]([CH:8]([NH:10][C:12]2[CH:17]=[C:16]([F:18])[CH:15]=[CH:14][C:13]=2[N+:19]([O-:21])=[O:20])[CH3:9])[CH:5]=[CH:6][CH:7]=1

Komponenten

5

Edukt 3

HCID 679672,4-DifluoronitrobenzeneHCID 81531DiisopropylethylamineHCID 167857641-(3-Bromophenyl)ethanamine

Produkt 1

HCID 58707271N-(1-(3-bromophenyl)ethyl)-5-fluoro-2-nitrobenzenamineAusbeute 74 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

A mixture of 1-(3-bromophenyl)ethanamine (1.0 g, 5.0 mmol), 2,4-difluoro-1-nitrobenzene (0.8 g, 5.0 mmol), N,N-diisopropylethylamine (1.7 mL, 10.0 mmol) and acetonitrile (20 mL) was stirred for 18 h and concentrated in vacuo. The residue was dissolved in ethyl acetate; this solution was washed with water, dried over Na2SO4 and concentrated in vacuo to yield the title compounds as a yellow oil (1.25 g, 74%). 1H NMR (400 MHz, CDCl3): δ 8.51 (d, 1 H), 8.25 (m, 1 H), 7.48 (s, 1 H), 7.41 (m, 1 H), 7.25 (m, 2 H), 6.36 (m, 1 H), 6.24 (m, 1 H), 4.55 (m, 1 H), 1.63 (d, 3 H). MS (ESI) m/z: Calculated: 338; Observed: 339 (M+H+).

Aufarbeitung

  1. concentrationconcentrated in vacuo
  2. dissolutionThe residue was dissolved in ethyl acetate
  3. washthis solution was washed with water
  4. dry with materialdried over Na2SO4
  5. concentrationconcentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-e1b40f61bab34f9eb067846044c44b58
Quelldatensatz
uspto-grants-2013_12
Patentnummer
US08604021B2

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