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Potassium Carbonate → (S)-N-(1-(2-(4-cyanophenyl)ethyl)pyrrolidin-3-yl)-1-adamantanecarboxamide

HRID 992282
Notes
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Reaction equation

HRID 992282 reaction equation
[NH:1]1[CH2:5][CH2:4][C@H:3]([NH:6][C:7]([C:9]23[CH2:18][CH:13]4[CH2:14][CH:15]([CH2:17][CH:11]([CH2:12]4)[CH2:10]2)[CH2:16]3)=[O:8])[CH2:2]1.C1(C)C=CC(S(O[CH2:29][CH2:30][C:31]2[CH:36]=[CH:35][C:34]([C:37]#[N:38])=[CH:33][CH:32]=2)(=O)=O)=CC=1.C(=O)([O-])[O-].[K+].[K+]>C(#N)C>[C:37]([C:34]1[CH:35]=[CH:36][C:31]([CH2:30][CH2:29][N:1]2[CH2:5][CH2:4][C@H:3]([NH:6][C:7]([C:9]34[CH2:18][CH:13]5[CH2:14][CH:15]([CH2:17][CH:11]([CH2:12]5)[CH2:10]3)[CH2:16]4)=[O:8])[CH2:2]2)=[CH:32][CH:33]=1)#[N:38]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 11430Potassium CarbonateHCID 22033501HCID 22033501, compoundHCID 49760538(S)-N-(pyrrolidin-3-yl)-1-adamantanecarboxamide

Product 1

HCID 9907753(S)-N-(1-(2-(4-cyanophenyl)ethyl)pyrrolidin-3-yl)-1-adamantanecarboxamideYield 73.2%

Reagents, catalysts & solvents 1

HCID 6342Acetonitrile
Solvent

Conditions

Temperature
70 °C

Procedure

(S)-N-(Pyrrolidin-3-yl)-1-adamantanecarboxamide (1.0 g) and 2-(4-cyanophenyl)ethyl p-toluenesulfonate (1.2 g) were dissolved in acetonitrile, and potassium carbonate was added thereto. The mixture was stirred under heating at 70° C. for 5 hours. After the completion of the reaction, the solvent was evaporated under reduced pressure. Ethyl acetate was added to the obtained residue and the mixture was washed with saturated brine. The solvent was evaporated under reduced pressure, and the obtained residue was subjected to silica gel column chromatography (chloroform:methanol=30:1). The obtained eluate was concentrated and IPE was added to the obtained residue. The precipitated crystals were collected by filtration to give (S)-N-(1-(2-(4-cyanophenyl)ethyl)pyrrolidin-3-yl)-1-adamantanecarboxamide (1.1 g), melting point 104-105° C.

Workup

  1. customAfter the completion of the reaction
  2. customthe solvent was evaporated under reduced pressure
  3. additionEthyl acetate was added to the obtained residue
  4. washthe mixture was washed with saturated brine
  5. customThe solvent was evaporated under reduced pressure
  6. concentrationThe obtained eluate was concentrated
  7. additionIPE was added to the obtained residue
  8. filtrationThe precipitated crystals were collected by filtration

Sources & evidence

ORD record
ord-6aa3ed44ee8e49d99c01d0e9d9726089
Source dataset
uspto-grants-2002_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06468998B1

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes