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Chloroacetyl chloride → HCID 59853068, Verbindung

HRID 1670262
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1670262
[F:1][C:2]1[CH:18]=[C:17]([N+:19]([O-:21])=[O:20])[CH:16]=[CH:15][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][N:8]=[CH:7][C:6]=1[C:11]#[C:12][CH2:13][NH2:14].Cl[CH2:23][C:24](Cl)=[O:25].[NH:27]1[CH2:31][CH2:30][CH2:29][C:28]1=O>C(Cl)Cl>[F:1][C:2]1[CH:18]=[C:17]([N+:19]([O-:21])=[O:20])[CH:16]=[CH:15][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][N:8]=[CH:7][C:6]=1[C:11]#[C:12][CH2:13][NH:14][C:24](=[O:25])[CH2:23][N:27]1[CH2:31][CH2:30][CH2:29][CH2:28]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 6577Chloroacetyl chlorideHCID 120252-PyrrolidoneHCID 598529072-Propyn-1-amine, 3-[4-(2-fluoro-4-nitrophenoxy)-3-pyridinyl]-

Produkt 1

HCID 59853068HCID 59853068, VerbindungAusbeute 39 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

A solution of 3-(4-(2-fluoro-4-nitrophenoxy)pyridin-3-yl)prop-2-yn-1-amine (80 mg, 0.26 mmol) in anhydrous CH2Cl2 (2.5 mL) was cooled to 0° C. and treated with chloroacetyl chloride (40 mg, 0.37 mmol) the mixture was stirred at rt for 1 h. The mixture was concentrated under vacuum to removed the solvent and excess reagent and the residue redissolved in CH3CN (1.5 mL), treated with pyrrolidone (55 mg, 0.78 mmol) and stirred at rt for 4 h. The mixture was partitioned between EtOAc and saturated aq. NaHCO3 solution and the organic phase separated, washed with brine, dried (MgSO4) and concentrated to give crude product. The residue was purified by flash chromatography on silica gel eluting with 0-10% MeOH/CH2Cl2 to afford the title compound (40 mg, 39%) as a brown oil. 1H NMR (DMSO-d6) δ 8.66 (s, 1H), 8.50 (d, 1H, J=6.1 Hz), 8.41 (dd, 1H, J=2.8, 10.4 Hz), 8.18-8.15 (m, 2H), 7.51 (dd, 1H, J=8.3, 8.8 Hz), 7.06 (d, 1H, J=5.5 Hz) 4.10 (d, 2H, J=5.5 Hz), 3.01 (s, 2H), 2.47-2.43 (m, 4H), 1.67-1.63 (m, 4H); MS (ESI+): m/z 399.27 (M+H)+.

Aufarbeitung

  1. concentrationThe mixture was concentrated under vacuum
  2. customto removed the solvent and excess reagent
  3. dissolutionthe residue redissolved in CH3CN (1.5 mL)
  4. stirringstirred at rt for 4 h
  5. customThe mixture was partitioned between EtOAc and saturated aq. NaHCO3 solution
  6. customthe organic phase separated
  7. washwashed with brine
  8. dry with materialdried (MgSO4)
  9. concentrationconcentrated
  10. customto give crude product
  11. customThe residue was purified by flash chromatography on silica gel eluting with 0-10% MeOH/CH2Cl2

Quellen und Nachweise

ORD-Eintrag
ord-6269f41b360b4262b3f6f274fb44e4a2
Quelldatensatz
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07989477B2

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