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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 127672Erstellt: 24. Oktober 2026

Dimethylhydantoin → 3-Allyl-5,5-dimethylhydantoin

https://huagongshe.com/de/reaction/127672

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktDimethylhydantoinHCID 6491—
EduktAllyl chlorideHCID 7850—
EduktPotassium CarbonateHCID 11430—
LösungsmittelDimethylformamideHCID 6228—
Produkt3-Allyl-5,5-dimethylhydantoinHCID 597696—

Reaktionsschritte

640.6 g (5 mols) of 5,5-dimethylhydantoin, 420.9 g (5 mols+10% excess) of allyl chloride, 380.1 g (2.5 mols+10% excess) of potassium carbonate and 1,000 ml of dimethylformamide are reacted, and worked up, analogously to Example 1. 820 g (97.5% of theory) of a brownish waxy crude product are obtained and are purified by distillation. 713.7 g (84.9% of theory) of a distillate are obtained; this boils at 114° C./13.3 Pas and melts at 66.2°-68.7° C.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04256867
Quelldatensatzuspto-grants-1981_03
ORD IDord-ffca050c07954e4bb08f98b21686969d
Quellennotizuspto-grants-1981_03