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Water → 2-Methoxy-7-oxo-4,5,6,7-tetrahydro-benzo[b]thiophene-3-sulfonic acid[2-(4-fluorophenyl)-2-hydroxy-ethyl]-methyl-amide

HRID 1351284
Notes
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Reaction equation

HRID 1351284 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([OH:26])[CH2:9][N:10]([CH3:25])[S:11]([C:14]2[C:15]3[CH2:23][CH2:22][CH2:21][C:20](=[O:24])[C:16]=3[S:17][C:18]=2Br)(=[O:13])=[O:12])=[CH:4][CH:3]=1.[CH3:27][O-:28].[Na+].CO.O>CO>[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([OH:26])[CH2:9][N:10]([CH3:25])[S:11]([C:14]2[C:15]3[CH2:23][CH2:22][CH2:21][C:20](=[O:24])[C:16]=3[S:17][C:18]=2[O:28][CH3:27])(=[O:13])=[O:12])=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 962WaterHCID 210985782-Bromo-7-oxo-4,5,6,7-tetrahydro-benzo[b]thiophene-3-sulfonic acid [2-(4-fluorophenyl)-2-hydroxy-ethyl]-methyl-amideHCID 23694274Sodium methanolate methanol

Product 1

HCID 210985842-Methoxy-7-oxo-4,5,6,7-tetrahydro-benzo[b]thiophene-3-sulfonic acid[2-(4-fluorophenyl)-2-hydroxy-ethyl]-methyl-amide

Reagents, catalysts & solvents 1

HCID 887
Methanol
Solvent

Procedure

To a solution of 2-bromo-7-oxo-4,5,6,7-tetrahydro-benzo[b]thiophene-3-sulfonic acid [2-(4-fluorophenyl)-2-hydroxy-ethyl]-methyl-amide (the compound of Preparation Example 58) (80 mg) in methanol (3 mL) was added a solution of 28% sodium methoxide/methanol (0.8 mL). After stirring at room temperature for 3 hours, the reaction solution was poured into water, extracted with ethyl acetate and dried with anhydrous magnesium sulfate. The residue resulting from the removal of the solvent by evaporation was purified by silica gel column chromatography (hexane/ethyl acetate), and the title compound (58 mg) was obtained as a light brown candy-like substance.

Workup

  1. extractionextracted with ethyl acetate
  2. dry with materialdried with anhydrous magnesium sulfate
  3. customThe residue resulting from the removal of the solvent by evaporation
  4. customwas purified by silica gel column chromatography (hexane/ethyl acetate)

Sources & evidence

ORD record
ord-78027e61b66746c5a70316e2e8e72a75
Source dataset
uspto-grants-2007_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07217723B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes