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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 357682Generated: October 27, 2026

Dimethyl terephthalate → Bis(3-hydroxypropyl) terephthalate

https://huagongshe.com/reaction/357682

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl terephthalateHCID 8441—
Reactant1,3-PropanediolHCID 10442—
ReactantLanthanumHCID 23926—
ReactantResolve-al laHCID 5462868—
ProductBis(3-hydroxypropyl) terephthalateHCID 9925756—

Reaction Steps

This example demonstrates the transesterification reaction of dimethyl terephthalate with 1,3-propanediol using lanthanum t-butylacetylacetonate (otherwise known as tris(2,2,6,6-tetramethyl-3,5-heptanedionato)lanthanum or La(t-Bu-acac)3) as the transesterification catalyst (100 ppm La based on final polymer) to form bis(3-hydroxypropyl) terephthalate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05840957
Source datasetuspto-grants-1998_11
ORD IDord-b017ad3da2454e0ab4b86034bad019cd
Source noteuspto-grants-1998_11