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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 12718Erstellt: 25. Oktober 2026

Sodium Carbonate → 5-(2-Chloro-pyridin-3-yl)-2,4-dimethoxy-pyrimidine

https://huagongshe.com/reaction/12718

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktSodium CarbonateHCID 10340—
EduktTriphenylphosphineHCID 11776—
Edukt5-Iodo-2,4-dimethoxypyrimidineHCID 263416—
Edukt(2-Chloropyridin-3-yl)boronic acidHCID 2762704—
Katalysatorpalladium(II) acetateHCID 167845—
Lösungsmittel1-PropanolHCID 1031—
Produkt5-(2-Chloro-pyridin-3-yl)-2,4-dimethoxy-pyrimidineHCID 58994244—

Reaktionsschritte

2,4-Dimethoxy-5-iodo-pyrimidine (1 g, 3.76 mmol) was dissolved in degassed n-PrOH (20 ml) and then 2-chloropyridine-3-boronic acid (882 mg, 5.61 mmol), Na2CO3 (800 mg, 7.6 mmol), PPh3 (98 mg, 0.37 mmol) and Pd(OAc)2 (40 mg, 0.19 mmol) were added. The suspension was stirred at reflux for 4 hours. The solvent was evaporated under vacuum and the crude was partitioned between water and DCM. The organic phase was dried (Na2SO4) and evaporated to give the title compound that was used without further purification in the next step (quantitative yield).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS07727988B2
Quelldatensatzuspto-grants-2010_06
ORD IDord-39e094d93f7f4d7f97b94ae4898ea550
Quellennotizuspto-grants-2010_06