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Hydrochloric Acid → 4-chloro-N-[4-(5-hydroxymethyl-[1,2,4]oxadiazol-3-yl)-benzyl]-N-(2-oxo-azepan-3-yl)-benzenesulfonamide

HRID 852000
Notes
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Reaction equation

HRID 852000 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([N:11]([CH2:20][C:21]2[CH:26]=[CH:25][C:24]([C:27]3[N:31]=[C:30]([CH2:32][O:33]C(=O)C)[O:29][N:28]=3)=[CH:23][CH:22]=2)[CH:12]2[CH2:18][CH2:17][CH2:16][CH2:15][NH:14][C:13]2=[O:19])(=[O:10])=[O:9])=[CH:4][CH:3]=1.[OH-].[Na+].O.Cl>O1CCCC1>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([S:8]([N:11]([CH2:20][C:21]2[CH:26]=[CH:25][C:24]([C:27]3[N:31]=[C:30]([CH2:32][OH:33])[O:29][N:28]=3)=[CH:23][CH:22]=2)[CH:12]2[CH2:18][CH2:17][CH2:16][CH2:15][NH:14][C:13]2=[O:19])(=[O:9])=[O:10])=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 313Hydrochloric AcidHCID 962WaterHCID 14798Sodium HydroxideHCID 69489530Acetic acid 3-(4-{[(4-chloro-benzenesulfonyl)-(2-oxo-azepan-3-yl)-amino]-methyl}-phenyl)-[1,2,4]oxadiazol-5-ylmethyl ester

Product 1

HCID 694924154-chloro-N-[4-(5-hydroxymethyl-[1,2,4]oxadiazol-3-yl)-benzyl]-N-(2-oxo-azepan-3-yl)-benzenesulfonamide
Yield 98%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

A solution of 0.03 g (0.05 mmol) acetic acid 3-(4-{[(4-chloro-benzenesulfonyl)-(2-oxo-azepan-3-yl)-amino]-methyl}-phenyl)-[1,2,4]oxadiazol-5-ylmethyl ester in 1 ml tetrahydrofuran was stirred with 0.2 ml (0.2 mmol) 1 molar aqueous sodium hydroxide for 3 hours at room temperature. Water and aqueous hydrochloric acid was added to reach pH 1. Extraction with ethylacetate, drying with sodium sulfate, filtration and removal of the solvent by distillation yielded 0.02 g (98%) 4-chloro-N-[4-(5-hydroxymethyl-[1,2,4]oxadiazol-3-yl)-benzyl]-N-(2-oxo-azepan-3-yl)-benzenesulfonamide as white solid, MS: m/e (%)=491.0 (MH+, 100).

Workup

  1. extractionExtraction with ethylacetate
  2. dry with materialdrying with sodium sulfate, filtration and removal of the solvent by distillation

Sources & evidence

ORD record
ord-afd867d41a064c4fa4fa85dd1bab2061
Source dataset
uspto-grants-2007_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07253158B2

Reaction notes

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