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Potassium Carbonate → 5-Chloro-N-(2,4-dimethoxybenzyl)-2-fluoro-4-{[3-pyridazin-4-yl-3'-(trifluoromethyl)biphenyl-4-yl]oxy}-N-1,3,4-thiadiazol-2-ylbenzenesulfonamide

HRID 1619638
Notes
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Reaction equation

HRID 1619638 reaction equation
[Cl:1][C:2]1[C:3](F)=[CH:4][C:5]([F:28])=[C:6]([S:8]([N:11]([CH2:17][C:18]2[CH:23]=[CH:22][C:21]([O:24][CH3:25])=[CH:20][C:19]=2[O:26][CH3:27])[C:12]2[S:13][CH:14]=[N:15][N:16]=2)(=[O:10])=[O:9])[CH:7]=1.[N:30]1[CH:35]=[CH:34][C:33]([C:36]2[CH:37]=[C:38]([C:43]3[CH:48]=[CH:47][CH:46]=[C:45]([C:49]([F:52])([F:51])[F:50])[CH:44]=3)[CH:39]=[CH:40][C:41]=2[OH:42])=[CH:32][N:31]=1.C(=O)([O-])[O-].[K+].[K+]>CS(C)=O>[Cl:1][C:2]1[C:3]([O:42][C:41]2[CH:40]=[CH:39][C:38]([C:43]3[CH:48]=[CH:47][CH:46]=[C:45]([C:49]([F:50])([F:51])[F:52])[CH:44]=3)=[CH:37][C:36]=2[C:33]2[CH:34]=[CH:35][N:30]=[N:31][CH:32]=2)=[CH:4][C:5]([F:28])=[C:6]([S:8]([N:11]([CH2:17][C:18]2[CH:23]=[CH:22][C:21]([O:24][CH3:25])=[CH:20][C:19]=2[O:26][CH3:27])[C:12]2[S:13][CH:14]=[N:15][N:16]=2)(=[O:10])=[O:9])[CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 11430Potassium CarbonateHCID 580422535-chloro-N-(2,4-dimethoxybenzyl)-2,4-difluoro-N-(1,3,4-thiadiazol-2-yl)benzenesulfonamideHCID 136200876HCID 136200876, compound

Product 1

HCID 671227375-Chloro-N-(2,4-dimethoxybenzyl)-2-fluoro-4-{[3-pyridazin-4-yl-3'-(trifluoromethyl)biphenyl-4-yl]oxy}-N-1,3,4-thiadiazol-2-ylbenzenesulfonamideYield 74%

Reagents, catalysts & solvents

1
HCID 679Dimethyl SulfoxideSolvent

Procedure

To a solution of 5-chloro-N-(2,4-dimethoxybenzyl)-2,4-difluoro-N-1,3,4-thiadiazol-2-ylbenzenesulfonamide (Preparation 16, 219 mg, 0.474 mmol) and 3-pyridazin-4-yl-3′-(trifluoromethyl)biphenyl-4-ol (Preparation 3, 150 mg, 0.474 mmol) in dimethylsulfoxide (5 mL) was added potassium carbonate (196 mg, 1.42 mmol). The reaction mixture was stirred at room temperature for 18 hours. The reaction mixture was quenched with a 1M aqueous solution of sodium hydroxide whereupon a precipitate formed. The solid was collected by filtration, washed with water and freeze dried to afford the title compound as a solid (266 mg, 74%).

Workup

  1. customThe reaction mixture was quenched with a 1M aqueous solution of sodium hydroxide whereupon a precipitate
  2. customformed
  3. filtrationThe solid was collected by filtration
  4. washwashed with water and freeze
  5. customdried

Sources & evidence

ORD record
ord-ac3237a199254be79024ea1e2b2b866d
Source dataset
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08772293B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes