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Sulfamide → N-[(5-Chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-phenyl)-acetyl]-sulfamide

HRID 11655
Notes
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Reaction equation

HRID 11655 reaction equation
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:12][CH2:13][C:14]([N:16]2[CH2:21][C@H:20]([CH3:22])[N:19]([CH2:23][C:24]3[CH:29]=[CH:28][C:27]([F:30])=[CH:26][CH:25]=3)[CH2:18][C@H:17]2[CH3:31])=[O:15])=[C:6]([CH2:8][C:9]([OH:11])=O)[CH:7]=1.[S:32]([NH2:36])([NH2:35])(=[O:34])=[O:33]>S(Cl)(Cl)=O>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:12][CH2:13][C:14]([N:16]2[CH2:21][C@H:20]([CH3:22])[N:19]([CH2:23][C:24]3[CH:29]=[CH:28][C:27]([F:30])=[CH:26][CH:25]=3)[CH2:18][C@H:17]2[CH3:31])=[O:15])=[C:6]([CH2:8][C:9]([NH:35][S:32]([NH2:36])(=[O:34])=[O:33])=[O:11])[CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 82267SulfamideHCID 444315272-(2-(2-((2R,5S)-4-(4-fluorobenzyl)-2,5-dimethylpiperazin-1-yl)-2-oxoethoxy)-5-chlorophenyl)acetic acid

Product 1

HCID 69655949N-[(5-Chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-phenyl)-acetyl]-sulfamideYield 12.7%

Reagents, catalysts & solvents 1

HCID 24386Thionyl ChlorideSolvent

Procedure

A solution of (5-chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-phenyl)-acetic acid (0.10 g, 0.21 mmol) in thionyl chloride (2 mL) was stirred at ambient temperature for two hours. The reaction was concentrated to dryness and the crude acid chloride was dissolved in 1,4-dioxane (4 mL) followed by addition of sulfamide (0.022 g, 0.23 mmol). The reaction was stirred at ambient temperature for 3 days. The reaction was concentrated and chromatographed on silica gel to give the title compound (0.014 g, LRMS: 525.1).

Workup

  1. concentrationThe reaction was concentrated to dryness
  2. dissolutionthe crude acid chloride was dissolved in 1,4-dioxane (4 mL)
  3. concentrationThe reaction was concentrated
  4. customchromatographed on silica gel

Sources & evidence

ORD record
ord-735b2820811740bb87abcd492d3e49c9
Source dataset
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07098212B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes