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Water → Methyl 2-Ethylthio-4-methyl-1-[2'-(5-trichloromethyl-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methylthieno[3,4-d]imidazole-6-carboxylate

HRID 1598327
Notes
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Reaction equation

HRID 1598327 reaction equation
[CH2:1]([S:3][C:4]1[NH:5][C:6]2[C:7](=[C:9]([C:13]([O:15][CH3:16])=[O:14])[S:10][C:11]=2[CH3:12])[N:8]=1)[CH3:2].[H-].[Na+].[Cl:19][C:20]([Cl:41])([Cl:40])[C:21]1[O:25][N:24]=[C:23]([C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=2[C:32]2[CH:37]=[CH:36][C:35]([CH2:38]Br)=[CH:34][CH:33]=2)[N:22]=1.O>CN(C=O)C>[CH2:1]([S:3][C:4]1[N:8]([CH2:38][C:35]2[CH:36]=[CH:37][C:32]([C:27]3[CH:28]=[CH:29][CH:30]=[CH:31][C:26]=3[C:23]3[N:22]=[C:21]([C:20]([Cl:40])([Cl:19])[Cl:41])[O:25][N:24]=3)=[CH:33][CH:34]=2)[C:7]2=[C:9]([C:13]([O:15][CH3:16])=[O:14])[S:10][C:11]([CH3:12])=[C:6]2[N:5]=1)[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 24758Sodium hydrideHCID 152909963-[4'-(Bromomethyl)biphenyl-2-yl]-5-(trichloromethyl)-1,2,4-oxadiazoleHCID 178418569HCID 178418569, compound

Product 1

HCID 18693081Methyl 2-Ethylthio-4-methyl-1-[2'-(5-trichloromethyl-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methylthieno[3,4-d]imidazole-6-carboxylate

Reagents, catalysts & solvents

1
HCID 6228DimethylformamideSolvent

Procedure

To an ice-cooling solution of methyl 2-ethylthio-4-methylthieno[3,4-d]imidazole-6-carboxylate (3 g) in DMF (20 ml) was added sodium hydride (60%, oil) (0.56 g), and the mixture was stirred for 10 minutes. To the ice-cooling mixture was added [2'-(5-trichloromethyl-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl bromide (6.1 g), and the mixture was stirred for two hours at room temperature. To the reaction mixture was added water, and the mixture was extracted with ethyl acetate. The organic layer was washed with a saturated aqueous saline solution. The solvent was distilled off under reduced pressure, and the residue was purified by column chromatography on silica gel to afford the title compound as a pale yellow syrupy product (4.15 g, 58%).

Workup

  1. stirringthe mixture was stirred for two hours at room temperature
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with a saturated aqueous saline solution
  4. distillationThe solvent was distilled off under reduced pressure
  5. customthe residue was purified by column chromatography on silica gel

Sources & evidence

ORD record
ord-4ed2b096e84f4797898d4bde3fcd2a59
Source dataset
uspto-grants-1998_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05736555

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes