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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 357681Erstellt: 25. Oktober 2026

Dimethyl terephthalate → Bis(3-hydroxypropyl) terephthalate

https://huagongshe.com/reaction/357681

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktDimethyl terephthalateHCID 8441—
Edukt1,3-PropanediolHCID 10442—
EduktLanthanum(3+);triacetate;hydrateHCID 19933532—
ProduktBis(3-hydroxypropyl) terephthalateHCID 9925756—

Reaktionsschritte

This example demonstrates the transesterification reaction of dimethyl terephthalate with 1,3-propanediol using lanthanum acetate monohydrate as the transesterification catalyst (50 ppm La based on final polymer) to form bis(3-hydroxypropyl) terephthalate.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS05840957
Quelldatensatzuspto-grants-1998_11
ORD IDord-d4951bc3907d4225a496f851570b3420
Quellennotizuspto-grants-1998_11