Cesium carbonate → 4-tert-butyl-N-(4-chloro-2-[1,2,3]triazolo[4,5-b]pyridine-1-yl-phenyl)-benzenesulfonamide

HRID 218187Notes

Reaction equation

HRID 218187 reaction equation
[C:1]([C:5]1[CH:10]=[CH:9][C:8]([S:11]([NH:14][C:15]2[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][C:16]=2I)(=[O:13])=[O:12])=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2].[NH:23]1[C:27]2[CH:28]=[CH:29][CH:30]=[N:31][C:26]=2[N:25]=[N:24]1.C([O-])([O-])=O.[Cs+].[Cs+].CN[C@@H]1CCCC[C@H]1NC>[Cu]I.O1CCOCC1>[C:1]([C:5]1[CH:10]=[CH:9][C:8]([S:11]([NH:14][C:15]2[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][C:16]=2[N:23]2[C:27]3[C:26](=[N:31][CH:30]=[CH:29][CH:28]=3)[N:25]=[N:24]2)(=[O:13])=[O:12])=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2]

Participants

7

Reactant 4

HCID 10796Cesium carbonateHCID 2733821trans-N,N'-dimethyl-1,2-cyclohexanediamineHCID 594281524-tert-butyl-N-(4-chloro-2-iodo-phenyl)-benzenesulfonamideHCID 178420751HCID 178420751, compound

Product 1

HCID 251349214-tert-butyl-N-(4-chloro-2-[1,2,3]triazolo[4,5-b]pyridine-1-yl-phenyl)-benzenesulfonamide

Reagents, catalysts & solvents 2

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 312751,4-DioxaneSolvent

Conditions

Temperature
90 °C

Procedure

A 4 mL scintillation vial was charged with 4-tert-butyl-N-(4-chloro-2-iodo-phenyl)-benzenesulfonamide (84 mg, 0.19 mmol), 4-azabenzotriazole (29 mg, 0.22 mmol), CuI (3 mg, 0.014 mmol), Cs2CO3 (127 mg, 0.39 mmol), trans-N,N′-dimethylcyclohexane-1,2-diamine (5 mg, 0.04 mmol), and dioxane (500 μL). The reaction was heated to 90° C. and stirred overnight. The following day, the volatiles were removed in vacuo. The residue was subsequently diluted in EtOAc and washed with saturated NH4Cl (aq). The organic layer was then concentrated in vacuo and the residue purified by preparative TLC (thin-layer chromatography) to afford 4-tert-butyl-N-(4-chloro-2-[1,2,3]triazolo[4,5-b]pyridine-1-yl-phenylybenzenesulfonamide: MS (ES) M+H expected 442.1, found 442.0.

Workup

  1. customThe following day, the volatiles were removed in vacuo
  2. additionThe residue was subsequently diluted in EtOAc
  3. washwashed with saturated NH4Cl (aq)
  4. concentrationThe organic layer was then concentrated in vacuo
  5. customthe residue purified by preparative TLC (thin-layer chromatography)
  6. customto afford 4-tert-butyl-N-(4-chloro-2-[1,2,3]triazolo[4,5-b]pyridine-1-yl-phenylybenzenesulfonamide

Sources & evidence

ORD record
ord-207b1c05e3a8434cb19de736513220ae
Source dataset
uspto-grants-2012_06
Patent number
US08198309B2

Reaction notes

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