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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 56662Erstellt: 25. Oktober 2026

Sodium hydride → Ethyl 2-(4-bromo-2-oxopyridin-1(2H)-yl)-3-cyclopropylpropanoate

https://huagongshe.com/reaction/56662

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktSodium hydrideHCID 24758—
EduktLithium BromideHCID 82050—
Edukt4-Bromo-2-hydroxypyridineHCID 817115—
EduktEthyl 3-cyclopropyl-2-[(methylsulphonyl)oxy]propanoateHCID 117605475—
ProduktEthyl 2-(4-bromo-2-oxopyridin-1(2H)-yl)-3-cyclopropylpropanoateHCID 117622870—

Reaktionsbedingungen

Temperatur65 °C

Reaktionsschritte

1.02 g (5.87 mmol) of 4-bromopyridin-2(1H)-one and 2.23 g (purity 56%, 5.28 mmol) of ethyl 3-cyclopropyl-2-[(methylsulphonyl)oxy]propanoate (racemate) in the presence of 1.15 eq. of sodium hydride and 2.3 eq. of lithium bromide were reacted according to General Method 4C (stirred at 65° C. overnight). Yield: 246 mg (13% of theory)

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS09434690B2
Quelldatensatzuspto-grants-2016_09
ORD IDord-e4b0243d8a54422bb0021d2b39bd193f
Quellennotizuspto-grants-2016_09