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Water → {2-(3-Ethoxy-4-methoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene}carbamic acid methyl ester

HRID 1161391
Notes
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Reaction equation

HRID 1161391 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]([O:26][CH3:27])=[C:22]([OH: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+].I[CH2:39][CH3:40].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][CH3:27])=[C:22]([O:28][CH2:39][CH3:40])[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 6340IodoethaneHCID 11430Potassium CarbonateHCID 72312763{2-(3-Hydroxy-4-methoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene}carbamic acid methyl ester

Product 1

HCID 72312787{2-(3-Ethoxy-4-methoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene}carbamic acid methyl ester

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

After dissolving 1.0 g of {2-(3-hydroxy-4-methoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene}carbamic acid methyl ester in 10 ml of DMF, 473 mg of potassium carbonate and 219 μl of iodoethane were added and the mixture was stirred at room temperature for 21 hours. Water was added to the reaction mixture and extraction was performed with ethyl acetate. After washing the organic layer with water and saturated brine, it was 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 (983 mg, isomeric mixture) as a light yellow solid.

Workup

  1. additionwere added
  2. washAfter washing the organic layer with water and saturated brine, it
  3. dry with materialwas dried 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-ad264986815a4b1984124ab71c994da8
Source dataset
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07816522B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes