Sodium Iodide → 1-(Anilinocarbonylmethyl)-4-methoxymethoxypiperidine

HRID 2257893Notes

Reaction equation

HRID 2257893 reaction equation
Cl[CH2:2][C:3]([NH:5][C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1)=[O:4].[CH3:12][O:13][CH2:14][O:15][CH:16]1[CH2:21][CH2:20][NH:19][CH2:18][CH2:17]1.[I-].[Na+].C(N(CC)CC)C>C(#N)C.C(OCC)(=O)C>[NH:5]([C:3]([CH2:2][N:19]1[CH2:20][CH2:21][CH:16]([O:15][CH2:14][O:13][CH3:12])[CH2:17][CH2:18]1)=[O:4])[C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1

Participants

7

Reactant 4

HCID 5238Sodium IodideHCID 8471TriethylamineHCID 11485ChloroacetanilideHCID 15172750HCID 15172750, compound

Product 1

HCID 229236881-(Anilinocarbonylmethyl)-4-methoxymethoxypiperidineYield 90.5%

Reagents, catalysts & solvents 2

HCID 6342AcetonitrileSolventHCID 8857Ethyl AcetateSolvent

Procedure

1.7 ml of chloroacetyl chloride was dropwise added to a solution of 3.0 g of aniline hydrochloride and 7 ml of triethylamine in 30 ml of dichloromethane. The mixture was stirred at room temperature for 3 hours, then washed with water and a saturated aqueous sodium hydrogencarbonate solution in this order, and dried with magnesium sulfate. The solvent was removed by distillation. The resulting residue was crystallized from ethyl acetate-n-hexane to obtain 2.45 g of N-(2-chloroacetyl)aniline as a light brown solid. A suspension of 2.45 g of the N-(2-chloroacetyl)-aniline, 2.8 g of 4-methoxymethoxypiperidine, 2.45 g of sodium iodide and 2.3 ml of triethylamine dissolved in 30 ml of acetonitrile was refluxed for 1.5 hours. The reaction mixture was diluted with ethyl acetate. The dilution was washed with water and dried with magnesium sulfate. The solvent was removed by distillation. The resulting residue was purified by a silica gel column chromatography (eluant: ethyl acetate: n-hexane=1:1) to obtain 3.64 g of 1-(anilinocarbonylmethyl)-4-methoxymethoxypiperidine as a lightyellow oil.

Workup

  1. temperaturewas refluxed for 1.5 hours
  2. washThe dilution was washed with water
  3. dry with materialdried with magnesium sulfate
  4. customThe solvent was removed by distillation
  5. customThe resulting residue was purified by a silica gel column chromatography (eluant: ethyl acetate: n-hexane=1:1)

Sources & evidence

ORD record
ord-c7a9152c7ca0461cbef4d30f4d7dea39
Source dataset
uspto-grants-1997_08
Patent number
US05658926

Reaction notes

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