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Ammonium Chloride → 3-{2-[4-(6-Fluoro-2-methyl-5-quinolinyl)-1-piperazinyl]ethyl}aniline

HRID 15831
Notes
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Reaction equation

HRID 15831 reaction equation
[F:1][C:2]1[C:3]([N:13]2[CH2:18][CH2:17][N:16]([CH2:19][CH2:20][C:21]3[CH:26]=[CH:25][CH:24]=[C:23]([N+:27]([O-])=O)[CH:22]=3)[CH2:15][CH2:14]2)=[C:4]2[C:9](=[CH:10][CH:11]=1)[N:8]=[C:7]([CH3:12])[CH:6]=[CH:5]2.[Cl-].[NH4+]>CO.O.[Fe]>[F:1][C:2]1[C:3]([N:13]2[CH2:14][CH2:15][N:16]([CH2:19][CH2:20][C:21]3[CH:22]=[C:23]([CH:24]=[CH:25][CH:26]=3)[NH2:27])[CH2:17][CH2:18]2)=[C:4]2[C:9](=[CH:10][CH:11]=1)[N:8]=[C:7]([CH3:12])[CH:6]=[CH:5]2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 2

HCID 25517Ammonium Chloride2×HCID 574443156-Fluoro-2-methyl-5-{4-[2-(3-nitrophenyl)ethyl]-1-piperazinyl}quinoline

Product 1

HCID 574443163-{2-[4-(6-Fluoro-2-methyl-5-quinolinyl)-1-piperazinyl]ethyl}anilineYield 91%

Reagents, catalysts & solvents 3

HCID 23925IronCatalyst2×HCID 887
Methanol
Solvent
HCID 962WaterSolvent

Procedure

A solution of 6-fluoro-2-methyl-5-{4-[2-(3-nitrophenyl)ethyl]-1-piperazinyl}quinoline (0.05 g; 1 eq) in methanol (3 mL) was added dropwise to a suspension of iron powder (0.05 g; 7 eq) and ammonium chloride (0.05 g; 7 eq) in water (3 mL). The reactants were heated at reflux for 8 hours, with additional amounts of iron powder (total 0.05 g; 7 eq) and ammonium chloride (0.05 g; 7 eq) added in 3 portions during the reaction. The reaction mixture was cooled to room temperature and filtered using a Millipore filter. The filtrate was concentrated under reduced pressure, diluted with water (5 mL) and a saturated aqueous solution of sodium hydrogen carbonate (2 mL) and extracted into ethyl acetate (3×5 mL). The combined organic layers were dried over sodium sulfate and concentrated under reduced pressure to give the title compound in 91% yield (0.04 g).

Workup

  1. temperatureThe reactants were heated
  2. additionadded in 3 portions during the reaction
  3. filtrationfiltered
  4. filtrationfilter
  5. concentrationThe filtrate was concentrated under reduced pressure
  6. additiondiluted with water (5 mL)
  7. extractiona saturated aqueous solution of sodium hydrogen carbonate (2 mL) and extracted into ethyl acetate (3×5 mL)
  8. dry with materialThe combined organic layers were dried over sodium sulfate
  9. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-0ed84ba8815048ce9057fc7a3be47bf8
Source dataset
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07732600B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes