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3-cyano-4-[2-(5-methyl-1-trityl-1H-pyrazol-4-yl)-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide → 3-cyano-4-[2-(5-methyl-1H-pyrazol-4-yl)-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide

HRID 1401913
Notes
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Reaction equation

HRID 1401913 reaction equation
[C:1]([C:3]1[CH:4]=[C:5]([S:45]([NH:48][C:49]2[S:53][N:52]=[CH:51][N:50]=2)(=[O:47])=[O:46])[CH:6]=[CH:7][C:8]=1[O:9][C:10]1[CH:15]=[CH:14][C:13]([C:16]([F:19])([F:18])[F:17])=[CH:12][C:11]=1[C:20]1[CH:21]=[N:22][N:23](C(C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[C:24]=1[CH3:25])#[N:2]>Cl.O1CCOCC1>[C:1]([C:3]1[CH:4]=[C:5]([S:45]([NH:48][C:49]2[S:53][N:52]=[CH:51][N:50]=2)(=[O:47])=[O:46])[CH:6]=[CH:7][C:8]=1[O:9][C:10]1[CH:15]=[CH:14][C:13]([C:16]([F:19])([F:17])[F:18])=[CH:12][C:11]=1[C:20]1[CH:21]=[N:22][NH:23][C:24]=1[CH3:25])#[N:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 594365913-cyano-4-[2-(5-methyl-1-trityl-1H-pyrazol-4-yl)-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide

Product 1

HCID 574948223-cyano-4-[2-(5-methyl-1H-pyrazol-4-yl)-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide

Reagents, catalysts & solvents 2

HCID 313Hydrochloric AcidSolventHCID 312751,4-DioxaneSolvent

Procedure

3-cyano-4-[2-(5-methyl-1-trityl-1H-pyrazol-4-yl)-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide (Preparation 428, 345 mg, 0.46 mmol) was dissolved in 4N HCl in 1,4-dioxane (5 ml) and stirred at room temperature for 3 hours before concentrating in vacuo. The residue obtained was purified using an ISCO™ (12 g SiO2) eluting with methanol:dichloromethane (gradient 0:1 to 1:9, by volume). The purified compound was triturated with dichloromethane (10 mL) to afford the title compound as a white solid (148 mg, 34%—isolated as the hydrochloride salt).

Workup

  1. concentrationbefore concentrating in vacuo
  2. customThe residue obtained
  3. customwas purified
  4. washeluting with methanol
  5. customThe purified compound was triturated with dichloromethane (10 mL)

Sources & evidence

ORD record
ord-7a0e39c83cc14747af18a58ba9c5021c
Source dataset
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08907101B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes