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Triethylamine → 1-[1(RS)-[1-(3,4-dichlorobenzyl)piperidin-4-ylmethyl]-2-methylpropyl}-4-methylbenzamide

HRID 430700
Notes
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Reaction equation

HRID 430700 reaction equation
[C:1]1([CH3:10])[CH:6]=[CH:5][C:4]([C:7](Cl)=[O:8])=[CH:3][CH:2]=1.[Cl:11][C:12]1[CH:13]=[C:14]([CH:28]=[CH:29][C:30]=1[Cl:31])[CH2:15][N:16]1[CH2:21][CH2:20][CH:19]([CH2:22][CH:23](N)[CH:24]([CH3:26])[CH3:25])[CH2:18][CH2:17]1.C([N:34](CC)CC)C>ClCCl>[Cl:11][C:12]1[CH:13]=[C:14]([CH:28]=[CH:29][C:30]=1[Cl:31])[CH2:15][N:16]1[CH2:21][CH2:20][CH:19]([CH2:22][CH:23]([C:4]2([CH:5]=[CH:6][C:1]([CH3:10])=[CH:2][CH2:3]2)[C:7]([NH2:34])=[O:8])[CH:24]([CH3:26])[CH3:25])[CH2:18][CH2:17]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 134054-Methylbenzoyl ChlorideHCID 222576661(RS)-[1-(3,4-dichlorobenzyl)piperidin-4-ylmethyl]-2-methylpropylamine

Product 1

HCID 865889811-[1(RS)-[1-(3,4-dichlorobenzyl)piperidin-4-ylmethyl]-2-methylpropyl}-4-methylbenzamideYield 95.4%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

p-Toluoyl chloride (0.077 ml, 0.58 mmol) was added to a solution of 1(RS)-[1-(3,4-dichlorobenzyl)piperidin-4-ylmethyl]-2-methylpropylamine (0.16 g, 0.49 mmol) in dichloromethane (2 ml) and triethylamine (0.12 ml, 1.63 mmol). The reaction mixture was stirred at room temperature for 1.5 h and was quenched with water. The product was then extracted with dichloromethane and the organic layer was washed with brine and dried over sodium sulfate. The crude product was purified on preparative TLC with 25% acetone, 25% dichloromethane in hexanes to give 0.21 g of N-{1-[1(RS)-[1-(3,4-dichlorobenzyl)piperidin-4-ylmethyl]-2-methylpropyl}-4-methylbenzamide as an oil, which was then converted to its dihydrochloride salt (0.15 g); m.p. 233.9-235.5° C.

Workup

  1. customwas quenched with water
  2. extractionThe product was then extracted with dichloromethane
  3. washthe organic layer was washed with brine
  4. dry with materialdried over sodium sulfate
  5. customThe crude product was purified on preparative TLC with 25% acetone, 25% dichloromethane in hexanes

Sources & evidence

ORD record
ord-7878d7f457d84e8a9548dc9ed35d3adf
Source dataset
uspto-grants-2001_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06323223B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes