Potassium Carbonate → N-(2-tert-butoxybenzyl)-3-(4-phenylpiperidin-1-yl)-N-(pyridin-2-ylmethyl)propan-1-amine

HRID 403126Notes

Reaction equation

HRID 403126 reaction equation
[C:1]1([CH:7]2[CH2:12][CH2:11][NH:10][CH2:9][CH2:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[C:13]([O:17][C:18]1[CH:36]=[CH:35][CH:34]=[CH:33][C:19]=1[CH2:20][N:21]([CH2:26][C:27]1[CH:32]=[CH:31][CH:30]=[CH:29][N:28]=1)[CH2:22][CH2:23][CH2:24]Cl)([CH3:16])([CH3:15])[CH3:14].C([O-])([O-])=O.[K+].[K+]>CC#N>[C:13]([O:17][C:18]1[CH:36]=[CH:35][CH:34]=[CH:33][C:19]=1[CH2:20][N:21]([CH2:26][C:27]1[CH:32]=[CH:31][CH:30]=[CH:29][N:28]=1)[CH2:22][CH2:23][CH2:24][N:10]1[CH2:9][CH2:8][CH:7]([C:1]2[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=2)[CH2:12][CH2:11]1)([CH3:14])([CH3:15])[CH3:16]

Participants

5

Reactant 3

HCID 11430Potassium CarbonateHCID 698734-PhenylpiperidineHCID 67128530N-(2-tert-butoxybenzyl)-3-chloro-N-(pyridin-2-ylmethyl)propan-1-amine

Product 1

HCID 70896369N-(2-tert-butoxybenzyl)-3-(4-phenylpiperidin-1-yl)-N-(pyridin-2-ylmethyl)propan-1-amineYield 36%

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

4-phenyl piperidin (0.21 g, 1.2 mmol), compound 19 (0.3 g, 0.86 mmol), KI (0.43 g, 2.59 mmol) and K2CO3 (0.59 g, 4.3 mmol) were added to 50 mL CH3CN, and the solution was refluxed under argon atmosphere for 12 h. After cooling to room temperature, the inorganic salts were filtered, and the filtrate was evaporated to dryness. The residue was redissolved in CH2Cl2 and chromatographed on a silica gel TLC plate that was developed with the following eluents: 5% methanolic NH3 (7 M NH3 in methanol/95% CH2Cl2. The product was isolated as yellow oil (36% yield). 1H NMR (CDCl3) δ 8.492 (dd, 1H, Ar), 7.619 (ddd, 1H, Ar), 7.571 (t, 2H, Ar), 7.272 (t, 2H, Ar), 7.203 (d, 2H, Ar), 7.167 (t, 1H, Ar), 7.107 (m, 2H, Ar), 7.024 (t, 2H, Ar), 3.770 (s, 2H, —CH2—), 3.695, (s, 2H, —CH2—), 3.003 (d, 2H, —CH2—), 2.524 (t, 2H, —CH2—), 2.459 (m, 1H, —CH—), 2.367 (t, 2H, —CH2—), 2.01 (ddd, 2H, —CH2—), 1.783 (m, 6H), 1.359 (s, 9H, —C(CH3)3). Mass Spec.=472.34 (M+H)+.

Workup

  1. temperaturethe solution was refluxed under argon atmosphere for 12 h
  2. filtrationthe inorganic salts were filtered
  3. customthe filtrate was evaporated to dryness
  4. dissolutionThe residue was redissolved in CH2Cl2
  5. customchromatographed on a silica gel TLC plate that

Sources & evidence

ORD record
ord-65184d20557141c19de14d68d5c22d18
Source dataset
uspto-grants-2014_06
Patent number
US08747810B2

Reaction notes

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