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Sodium Methoxide → sodium;6-chloro-7-[4-[2-[4-(trifluoromethylsulfanyl)phenyl]ethylcarbamoyl]phenoxy]-3,4-dihydro-2H-chromene-4-carboxylate

HRID 1048127
Notes
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Reaction equation

HRID 1048127 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][C:11]=1[O:12][C:13]1[CH:18]=[CH:17][C:16]([C:19](=[O:34])[NH:20][CH2:21][CH2:22][C:23]3[CH:28]=[CH:27][C:26]([S:29][C:30]([F:33])([F:32])[F:31])=[CH:25][CH:24]=3)=[CH:15][CH:14]=1)[O:8][CH2:7][CH2:6][CH:5]2[C:35]([OH:37])=[O:36].C[O-].[Na+:40]>O1CCCC1>[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][C:11]=1[O:12][C:13]1[CH:18]=[CH:17][C:16]([C:19](=[O:34])[NH:20][CH2:21][CH2:22][C:23]3[CH:28]=[CH:27][C:26]([S:29][C:30]([F:31])([F:33])[F:32])=[CH:25][CH:24]=3)=[CH:15][CH:14]=1)[O:8][CH2:7][CH2:6][CH:5]2[C:35]([O-:37])=[O:36].[Na+:40]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 10942334Sodium MethoxideHCID 44598936Sodium 6-chloro-7-(4-(4-(trifluoromethylthio)phenethylcarbamoyl)phenoxy)chroman-4-carboxylate

Product 1

HCID 44598935sodium;6-chloro-7-[4-[2-[4-(trifluoromethylsulfanyl)phenyl]ethylcarbamoyl]phenoxy]-3,4-dihydro-2H-chromene-4-carboxylateYield 99.1%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

6-Chloro-7-(4-(4-(trifluoromethylthio) phenethylcarbamoyl)phenoxy)chroman-4-carboxylic acid (58.7 mg, 0.106 mmol), 0.1 molar in tetrahydrofuran, was treated with sodium methanolate (213 μL, 0.106 mmol) at ambient temperature. After 20 minutes, the solvent was removed in vacuo. The resulting solid was taken up in ethyl acetate and concentrated in vacuo. The solid was taken up in 4:1 dichloromethane-hexanes and concentrated in vacuo and dried under high vacuum to provide sodium 6-chloro-7-(4-(4-(trifluoromethylthio)phenethylcarbamoyl)phenoxy)chroman-4-carboxylate (60.0 mg, 0.105 mmol, 98.3% yield) as a solid. MS (apci) m/z=552.0 (M+2H-Na).

Workup

  1. customthe solvent was removed in vacuo
  2. concentrationconcentrated in vacuo
  3. concentrationconcentrated in vacuo
  4. customdried under high vacuum

Sources & evidence

ORD record
ord-4fde1ca87bb9466ab38fa7df393cb3ae
Source dataset
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08569522B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes