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Sodium Bicarbonate → N-(2-Dimethylaminopyridin-3-yl)-5-(5,6-dimethoxy-3-methyl-1,4-benzoquinon-2-yl)methyl-2-hydroxybenzamide

HRID 1830427
Notes
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Reaction equation

HRID 1830427 reaction equation
[CH3:1][N:2]([CH3:36])[C:3]1[C:8]([NH:9][C:10](=[O:35])[C:11]2[CH:16]=[C:15]([CH2:17][C:18]3[C:19](=[O:30])[C:20]([O:28][CH3:29])=[C:21]([O:26][CH3:27])[C:22](=[O:25])[C:23]=3[CH3:24])[CH:14]=[CH:13][C:12]=2[O:31]C(=O)C)=[CH:7][CH:6]=[CH:5][N:4]=1.C(=O)([O-])O.[Na+]>CO.O>[CH3:36][N:2]([CH3:1])[C:3]1[C:8]([NH:9][C:10](=[O:35])[C:11]2[CH:16]=[C:15]([CH2:17][C:18]3[C:19](=[O:30])[C:20]([O:28][CH3:29])=[C:21]([O:26][CH3:27])[C:22](=[O:25])[C:23]=3[CH3:24])[CH:14]=[CH:13][C:12]=2[OH:31])=[CH:7][CH:6]=[CH:5][N:4]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 516892Sodium BicarbonateHCID 22054319N-(2-Dimethylaminopyridin-3-yl)-5-(5,6-dimethoxy-3-methyl-1,4-benzoquinon-2-yl)methyl-2-acetoxybenzamide

Product 1

HCID 22054351N-(2-Dimethylaminopyridin-3-yl)-5-(5,6-dimethoxy-3-methyl-1,4-benzoquinon-2-yl)methyl-2-hydroxybenzamideYield 99.7%

Reagents, catalysts & solvents 2

HCID 887MethanolSolvent
HCID 962
Water
Solvent

Procedure

N-(2-Dimethylaminopyridin-3-yl)-5-(5,6-dimethoxy-3-methyl-1,4-benzoquinon-2-yl)methyl-2-acetoxybenzamide (0.074 g, 0.0933 mmol) was dissolved in methanol (3 ml) and after adding thereto an aqueous saturated sodium hydrogencarbonate solution (3 ml), the solution was stirred at room temperature for 3 hours. After the completion of reaction, the reaction solution was diluted with water and then extracted with ethyl acetate. The extract was washed with water and then dried, and the solvent was removed by distillation. The obtained residue was purified by preparative thin-layer chromatography (ethyl acetate:hexane=1:1) to obtain the titled compound (0.042 g, 0.0930 mmol, 99%).

Workup

  1. additionafter adding
  2. customAfter the completion of reaction
  3. extractionextracted with ethyl acetate
  4. washThe extract was washed with water
  5. customdried
  6. customthe solvent was removed by distillation
  7. customThe obtained residue was purified by preparative thin-layer chromatography (ethyl acetate:hexane=1:1)

Sources & evidence

ORD record
ord-41e499a45ae14b1e998803a75b0effc0
Source dataset
uspto-grants-2006_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07064124B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes