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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 485809Erstellt: 24. Oktober 2026

Sodium ethoxide → 4-[2-(1-Ethyl-4,5-dihydro-imidazol-2-yl)ethyl]-pyridine

https://huagongshe.com/de/reaction/485809

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktSodium ethoxideHCID 2723922—
Edukt4-PyridinepropanenitrileHCID 7330461—
EduktN-ethyl-1,2-diaminoethane mono-p-toluenesulfonateHCID 20239798—
LösungsmittelEthanolHCID 702—
Produkt4-[2-(1-Ethyl-4,5-dihydro-imidazol-2-yl)ethyl]-pyridineHCID 1372673660%

Reaktionsbedingungen

Temperatur190 °C

Reaktionsschritte

A mixture of 4-(2-cyanoethyl)pyridine (1.32 g, 0.01M) and N-ethyl-1,2-diaminoethane mono-p-toluenesulfonate (5.5 g, 0.02M) were heated at 190° C. for 4 hrs under nitrogen. The reaction mixture was dissolved in ethanol (30 ml) and sodium ethoxide (0.02M) in ethanol (50 ml) was added. The mixture was filtered and the filtrate was stripped to dryness and distilled at 130° C./0.2 mmHg to yield 4-[2-(1-ethyl-4,5-dihydro-imidazol-2-yl)ethyl]-pyridine (1.2 g, 60% yield).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04537969
Quelldatensatzuspto-grants-1985_08
ORD IDord-4c2555b3c17d415e93a0b6b88e44caf0
Quellennotizuspto-grants-1985_08