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Water → HCID 72312732, compound

HRID 2079116
Notes
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Reaction equation

HRID 2079116 reaction equation
[CH3:1][O:2][C:3](=[O:31])[N:4]=[C:5]([S:29][CH3:30])[C:6]([C:20]1[CH:25]=[CH:24][C:23]([OH:26])=[C:22]([O:27][CH3:28])[CH:21]=1)=[N:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[N:18]=[C:17]([CH3:19])[O:16][N:15]=2)=[CH:10][CH:9]=1.C(=O)([O-])[O-].[K+].[K+].Br[CH2:39][C:40]#[N:41].O>CN(C=O)C.C(OCC)(=O)C>[CH3:1][O:2][C:3](=[O:31])[N:4]=[C:5]([S:29][CH3:30])[C:6]([C:20]1[CH:25]=[CH:24][C:23]([O:26][CH2:39][C:40]#[N:41])=[C:22]([O:27][CH3:28])[CH:21]=1)=[N:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[N:18]=[C:17]([CH3:19])[O:16][N:15]=2)=[CH:10][CH:9]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 11534BromoacetonitrileHCID 136366311HCID 136366311, compound

Product 1

HCID 72312732HCID 72312732, compound

Reagents, catalysts & solvents 2

HCID 6228Dimethylformamide
Solvent
HCID 8857Ethyl AcetateSolvent

Procedure

After dissolving 520 mg of {2-(4-hydroxy-3-methoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene}carbamic acid methyl ester (Example (18d)) in 5 ml of DMF, 262 mg of potassium carbonate and 107 μl of bromoacetonitrile were added and the mixture was stirred at room temperature for 16 hours. Water was added to the reaction mixture and extraction was performed with ethyl acetate. The organic layer was washed with water and saturated brine, and then dried over anhydrous sodium sulfate. The desiccating agent was filtered off and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate-heptane) to give the title compound (514 mg, isomeric mixture) as a light yellow solid.

Workup

  1. additionwere added
  2. washThe organic layer was washed with water and saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. filtrationThe desiccating agent was filtered off
  5. concentrationthe filtrate was concentrated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (ethyl acetate-heptane)

Sources & evidence

ORD record
ord-2eb9036afc1d4fc898c0a14f0c723606
Source dataset
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07928228B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes