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Ammonium Chloride → 3-Bromo-5-(methoxymethyl)aniline

HRID 410404
Notes
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Reaction equation

HRID 410404 reaction equation
[Br:1][C:2]1[CH:7]=[C:6]([N+:8]([O-])=O)[CH:5]=[C:4]([CH2:11][O:12][CH3:13])[CH:3]=1.CCO.O.[Cl-].[NH4+]>C(OCC)(=O)C.[Fe]>[Br:1][C:2]1[CH:7]=[C:6]([CH:5]=[C:4]([CH2:11][O:12][CH3:13])[CH:3]=1)[NH2:8]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 25517Ammonium ChlorideHCID 19096565Water ethanolHCID 672485781-Bromo-3-(methoxymethyl)-5-nitrobenzene

Product 1

HCID 672489413-Bromo-5-(methoxymethyl)anilineYield 62.5%

Reagents, catalysts & solvents 2

HCID 23925IronCatalyst
HCID 8857
Ethyl Acetate
Solvent

Conditions

Temperature
90 °C

Procedure

To a solution of the product of Step 1 (470 mg, 1.910 mmol) in (EtOH/water) (8.5 mL/4.2 mL) were added iron (533 mg, 9.55 mmol) and ammonium chloride (51 mg, 0.955 mmol). The reaction was stirred at 90° C. for about 4 hours. The reaction was then allowed to come to room temperature and diluted with ethyl acetate. The solution was then filtered through Celite and organic solvent was then removed in vacuo. Flash chromatography (hexane/ethyl acetate: 70/30) was used for purification to afford 3-bromo-5-(methoxymethyl)aniline (258 mg, 1.194 mmol, 62.5% yield). MS ESI: [M+H]+ m/z=216.0.

Workup

  1. customto come to room temperature
  2. filtrationThe solution was then filtered through Celite and organic solvent
  3. customwas then removed in vacuo
  4. customFlash chromatography (hexane/ethyl acetate: 70/30) was used for purification

Sources & evidence

ORD record
ord-5e93f9ddfc924a0c8fa697ce115e7394
Source dataset
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08759366B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes