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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 26176Erstellt: 23. Oktober 2026

Formaldehyde → 4-(Diethylamino)-2-butyn-1-ol

https://huagongshe.com/de/reaction/26176

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktFormaldehydeHCID 712—
EduktSulfuric AcidHCID 1118—
EduktPotassium IodideHCID 4875—
EduktPropargyl alcoholHCID 7859—
EduktDiethylamineHCID 8021—
KatalysatorCopper SulfateHCID 24462—
LösungsmittelWaterHCID 962—
Produkt4-(Diethylamino)-2-butyn-1-olHCID 8273586%

Reaktionsbedingungen

Temperatur92 °C

Reaktionsschritte

204 parts by weight of aqueous 55% strength propargyl alcohol, 250 parts by weight of 30% strength aqueous formaldehyde, 161 parts by weight of diethylamine, 1.4 parts by weight of copper sulfate, 2 parts by weight of potassium iodide, 50 parts by weight of water and 115 parts by weight of concentrated sulfuric acid are mixed and brought to pH 5. The mixture is heated for 5 hours at 92° C. and worked up as described. 242 parts by weight of 1-diethylaminobut-2-yn-4-ol are obtained, corresponding to a yield of 86%.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04148824
Quelldatensatzuspto-grants-1979_04
ORD IDord-947d44843c3f4b7fbab1d2263be8b0ed
Quellennotizuspto-grants-1979_04