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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 653639Erstellt: 25. Oktober 2026

Ammonium Hydroxide → 5-chloro-2-ethyl-7-methyl-3H-Imidazo[4,5-b]pyridine

https://huagongshe.com/reaction/653639

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktAmmonium HydroxideHCID 14923—
EduktPhosphorus oxychlorideHCID 24813—
EduktHCID 178437532HCID 178437532—
LösungsmittelChloroformHCID 6212—
Produkt5-chloro-2-ethyl-7-methyl-3H-Imidazo[4,5-b]pyridineHCID 19385734—

Reaktionsbedingungen

Temperatur80 °C

Reaktionsschritte

A mixture of 29.75 g (0.168 mol) of the product of Step A, CHCl3 (25 mL) and POCl3 (160 mL) was heated to 80° C. for 1 hour. After pouring over ice, the mixture was neutralized by careful addition of NH4OH and extracted with EtOAc. Concentration gave the title compound as a solid.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS05128327
Quelldatensatzuspto-grants-1992_07
ORD IDord-d0835bfb8ec74b329e47f5280e577b92
Quellennotizuspto-grants-1992_07