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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 557121Erstellt: 25. Oktober 2026

Lawesson's reagent → 2-Ethyl-1-phenyl-1H-quinazolin-4-thione

https://huagongshe.com/reaction/557121

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktLawesson's reagentHCID 87949—
Edukt2-Ethyl-1-phenyl-1H-quinazolin-4-oneHCID 66991027—
LösungsmittelTolueneHCID 1140—
Produkt2-Ethyl-1-phenyl-1H-quinazolin-4-thioneHCID 86635529—

Reaktionsschritte

1.50 g (5.99 mmol) 2-ethyl-1-phenyl-1H-quinazolin-4-one and 2.42 g (5.99 mmol) Lawesson's reagent (C14H14O2P2S4, Fluka) were suspended in 40 ml toluene and boiled for 1 h. After evaporation the crude mixture was purified by column chromatography on silica gel, eluent dichloromethane/acetone 95/5.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS08058431B2
Quelldatensatzuspto-grants-2011_11
ORD IDord-551f6864684842a4b28a5737d7b2c144
Quellennotizuspto-grants-2011_11