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Sodium Bicarbonate → N-[1-(3-chloro-4-fluorobenzyl)-4-piperidinyl]-3-[3-(2-pyridinyl)-1,2,4-oxadiazol-5-yl]propanamide

HRID 1070510
Notes
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Reaction equation

HRID 1070510 reaction equation
[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[C:7]1[N:11]=[C:10]([CH2:12][CH2:13][C:14]([OH:16])=O)[O:9][N:8]=1.[Cl:17][C:18]1[CH:19]=[C:20]([CH:29]=[CH:30][C:31]=1[F:32])[CH2:21][N:22]1[CH2:27][CH2:26][CH:25]([NH2:28])[CH2:24][CH2:23]1.C(=O)([O-])O.[Na+]>ClCCl>[Cl:17][C:18]1[CH:19]=[C:20]([CH:29]=[CH:30][C:31]=1[F:32])[CH2:21][N:22]1[CH2:23][CH2:24][CH:25]([NH:28][C:14](=[O:16])[CH2:13][CH2:12][C:10]2[O:9][N:8]=[C:7]([C:2]3[CH:3]=[CH:4][CH:5]=[CH:6][N:1]=3)[N:11]=2)[CH2:26][CH2:27]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 516892Sodium BicarbonateHCID 31643283-(3-(Pyridin-2-yl)-1,2,4-oxadiazol-5-yl)propanoic acidHCID 223962691-(3-Chloro-4-fluorobenzyl)piperidin-4-amine

Product 1

HCID 22396202N-[1-(3-chloro-4-fluorobenzyl)-4-piperidinyl]-3-[3-(2-pyridinyl)-1,2,4-oxadiazol-5-yl]propanamide

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

3-[3-(2-Pyridinyl)-1,2,4-oxadiazol-5-yl]propanoic acid (0.218 g) and N,N′-carbonyldiimidazole (0.194 g) were stirred in dichloromethane (10 ml) under nitrogen for 1 hour. 1-(3-Chloro-4-fluorobenzyl)-4-piperidinamine (JP 59101483; 0.242 g) was then added and left to stir for 24 hours. Saturated sodium hydrogen carbonate was added to the reaction, with the resulting solution being extracted three times with dichloromethane. The pooled organic phases were washed once with water, once with brine, dried over magnesium sulfate, filtered and the solvent removed under reduced pressure, triturated with ethyl acetate/ethanol and filtered to leave N-[1-(3-chloro-4-fluorobenzyl)-4-piperidinyl]-3-[3-(2-pyridinyl)-1,2,4-oxadiazol-5-yl]propanamide. m.p. 150° C.

Workup

  1. waitleft
  2. extractionbeing extracted three times with dichloromethane
  3. washThe pooled organic phases were washed once with water, once with brine
  4. dry with materialdried over magnesium sulfate
  5. filtrationfiltered
  6. customthe solvent removed under reduced pressure
  7. customtriturated with ethyl acetate/ethanol
  8. filtrationfiltered

Sources & evidence

ORD record
ord-93002ff5fb47411db303de2137d7f2ce
Source dataset
uspto-grants-2005_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06903085B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes