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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 573623Generated: October 31, 2026

Sodium Carbonate → 3-Chloro-N-[6-methyl-3-[3-(methyloxy)phenyl]-2-(3-pyridinyl)thieno[2,3-b]pyridin-4-yl]-benzenesulfonamide

https://huagongshe.com/reaction/573623

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
Reactant3-Pyridinylboronic acidHCID 2734378—
ReactantN-{2-Bromo-6-methyl-3-[3-(methyloxy)phenyl]thieno[2,3-b]pyridin-4-yl}-3-chlorobenzenesulfonamideHCID 53250396—
CatalystHCID 178418397HCID 178418397—
SolventWaterHCID 962—
SolventAcetonitrileHCID 6342—
Product3-Chloro-N-[6-methyl-3-[3-(methyloxy)phenyl]-2-(3-pyridinyl)thieno[2,3-b]pyridin-4-yl]-benzenesulfonamideHCID 6832406741.3%

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of N-{2-bromo-6-methyl-3-[3-(methyloxy)phenyl]thieno[2,3-b]pyridin-4-yl}-3-chlorobenzenesulfonamide (50 mg, 0.095 mmol) (Example 33), tetrakis(triphenylphosphine)palladium(0) (5.51 mg, 4.77 μmol), sodium carbonate (20.23 mg, 0.191 mmol) and 3-pyridineboronic acid (14.08 mg, 0.115 mmol) in acetonitrile (1 mL) and water (250 μl) was heated at 80° C. under nitrogen for 17 h. The reaction mixture was then cooled to RT and concentrated. Purification by chromatography on silica gel, eluting with a gradient of 0-50% ethyl acetate in DCM, afforded the title compound (20.5 mg). LCMS (A) m/z: 522 [M+1]+, Rt 1.33 min (acidic), Rt 0.89 min (basic).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09029545B2
Source datasetuspto-grants-2015_05
ORD IDord-4e36a58f46014d9d93d02b63ca4ff873
Source noteuspto-grants-2015_05