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Sodium Bicarbonate → HCID 67399550, compound

HRID 70647
Notes
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Reaction equation

HRID 70647 reaction equation
[NH2:1][C:2]1[CH:3]=[CH:4][C:5](/[C:10](/[C:29]2[CH:34]=[CH:33][C:32]([C:35]([CH3:38])([CH3:37])[CH3:36])=[CH:31][CH:30]=2)=[CH:11]/[C@@H:12]2[N:16](CC3C=CC(OC)=CC=3OC)[C:15](=[O:28])[CH2:14][CH2:13]2)=[N:6][C:7]=1[O:8][CH3:9].C(=O)(O)[O-].[Na+]>FC(F)(F)C(O)=O.C1(OC)C=CC=CC=1>[NH2:1][C:2]1[CH:3]=[CH:4][C:5](/[C:10](/[C:29]2[CH:30]=[CH:31][C:32]([C:35]([CH3:38])([CH3:37])[CH3:36])=[CH:33][CH:34]=2)=[CH:11]/[C@@H:12]2[NH:16][C:15](=[O:28])[CH2:14][CH2:13]2)=[N:6][C:7]=1[O:8][CH3:9]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 516892Sodium BicarbonateHCID 67398630HCID 67398630, compound

Product 1

HCID 67399550HCID 67399550, compoundYield 44%

Reagents, catalysts & solvents 2

HCID 6422Trifluoroacetic acidSolventHCID 7519AnisoleSolvent

Procedure

A solution of (5R)-5-[(E)-2-(5-amino-6-methoxypyridin-2-yl)-2-(4-tert-butylphenyl)ethenyl]-1-(2,4-dimethoxybenzyl)pyrrolidin-2-one (198 mg) in trifluoroacetic acid (4 mL) and anisole (2 mL) was stirred at 80° C. for six hours. Saturated aqueous sodium bicarbonate was added to the reaction solution, followed by extraction with ethyl acetate. The organic layer was washed with brine and dried over anhydrous magnesium sulfate, after which the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (hexane:ethyl acetate=4:1→1:4) to give (5R)-5-[(E)-2-(5-amino-6-methoxypyridin-2-yl)-2-(4-tert-butylphenyl)ethenyl]pyrrolidin-2-one as a light brown solid (61 mg, 44%).

Workup

  1. extractionfollowed by extraction with ethyl acetate
  2. washThe organic layer was washed with brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customafter which the solvent was evaporated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (hexane:ethyl acetate=4:1→1:4)

Sources & evidence

ORD record
ord-c59007399e9949dba666c1c4c91a408f
Source dataset
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08822503B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes