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Sodium Thiosulfate → 7-[4-(2-butoxyethoxy)phenyl]-1-isobutyl-N-[4-[[(2-methoxy-3-pyridinyl)methyl]sulfinyl]phenyl]-2,3-dihydro-1-benzazepine-4-carboxamide

HRID 856500
Notes
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Reaction equation

HRID 856500 reaction equation
[CH2:1]([O:5][CH2:6][CH2:7][O:8][C:9]1[CH:14]=[CH:13][C:12]([C:15]2[CH:16]=[CH:17][C:18]3[N:24]([CH2:25][CH:26]([CH3:28])[CH3:27])[CH2:23][CH2:22][C:21]([C:29]([NH:31][C:32]4[CH:37]=[CH:36][C:35]([S:38][CH2:39][C:40]5[C:41]([O:46][CH3:47])=[N:42][CH:43]=[CH:44][CH:45]=5)=[CH:34][CH:33]=4)=[O:30])=[CH:20][C:19]=3[CH:48]=2)=[CH:11][CH:10]=1)[CH2:2][CH2:3][CH3:4].ClC1C=CC=C(C(OO)=[O:57])C=1.S([O-])([O-])(=O)=S.[Na+].[Na+]>C(Cl)Cl>[CH2:1]([O:5][CH2:6][CH2:7][O:8][C:9]1[CH:10]=[CH:11][C:12]([C:15]2[CH:16]=[CH:17][C:18]3[N:24]([CH2:25][CH:26]([CH3:27])[CH3:28])[CH2:23][CH2:22][C:21]([C:29]([NH:31][C:32]4[CH:33]=[CH:34][C:35]([S:38]([CH2:39][C:40]5[C:41]([O:46][CH3:47])=[N:42][CH:43]=[CH:44][CH:45]=5)=[O:57])=[CH:36][CH:37]=4)=[O:30])=[CH:20][C:19]=3[CH:48]=2)=[CH:13][CH:14]=1)[CH2:2][CH2:3][CH3:4]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 24477Sodium ThiosulfateHCID 70297m-Chloroperbenzoic acidHCID 69522176HCID 69522176, compound

Product 1

HCID 695222817-[4-(2-butoxyethoxy)phenyl]-1-isobutyl-N-[4-[[(2-methoxy-3-pyridinyl)methyl]sulfinyl]phenyl]-2,3-dihydro-1-benzazepine-4-carboxamideYield 54.3%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent
2×

Procedure

To a solution of 7-[4-(2-butoxyethoxy)phenyl]-1-isobutyl-N-[4-[[(2-methoxy-3-pyridinyl)methyl]sulfanyl]phenyl]-2,3-dihydro-1-benzazepine-4-carboxamide (0.48 g) in methylene chloride (14.4 ml) was added dropwise a solution of m-chloroperbenzoic acid (187 g) in methylene chloride (9.6 ml) at −78° C., and the mixture was stirred for 15 minutes. To the reaction mixture was added an aqueous solution of saturated sodium thiosulfate. The mixture was extracted with ethyl acetate, and the organic layer was washed with saturated brine, and dried over magnesium sulfate. The solvent was removed under reduced pressure, and the obtained residue was purified by silica gel column chromatography, and recrystallized from ethanol, to give 7-[4-(2-butoxyethoxy)phenyl]-1-isobutyl-N-[4-[[(2-methoxy-3-pyridinyl)methyl]sulfinyl]phenyl]-2,3-dihydro-1-benzazepine-4-carboxamide (Compound 249) (267 mg).

Workup

  1. extractionThe mixture was extracted with ethyl acetate
  2. washthe organic layer was washed with saturated brine
  3. dry with materialdried over magnesium sulfate
  4. customThe solvent was removed under reduced pressure
  5. customthe obtained residue was purified by silica gel column chromatography
  6. customrecrystallized from ethanol

Sources & evidence

ORD record
ord-7ad099eb89044664938adb4298dda3d6
Source dataset
uspto-grants-2007_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07262185B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes