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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 981689Erstellt: 24. Oktober 2026

3,4-dihydro-2H-pyran → 2H-Pyran, 2-(4-chlorobutoxy)tetrahydro-

https://huagongshe.com/de/reaction/981689

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Edukt3,4-dihydro-2H-pyranHCID 8080—
Edukt4-Chloro-1-butanolHCID 13569—
KatalysatorHydrochloric AcidHCID 313—
Produkt2H-Pyran, 2-(4-chlorobutoxy)tetrahydro-HCID 17048889,9%

Reaktionsschritte

Dihydropyran (15.5 g) was added dropwise to a mixture of 4-chlorobutanol (20 g) and hydrochloric acid (18M, 1 drop) at RT. The mixture was stirred for 30 min and washed with H2O (100 ml), aqueous NaHCO3 (1M, 50 ml) and BR (50 ml). The dried liquid was heated under reduced pressure to leave the title compound as a colourless liquid (31.9 g). T.l.c. [L] Rf 0.5.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04992474
Quelldatensatzuspto-grants-1991_02
ORD IDord-b0a14c328c734266849ffc9d04757122
Quellennotizuspto-grants-1991_02