HuagongsheHuagongshe Chemistry Print Report · For research reference only
Dimethyl terephthalate → Bis(3-hydroxypropyl) terephthalate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Dimethyl terephthalate | HCID 8441 | — |
| Reactant | 1,3-Propanediol | HCID 10442 | — |
| Reactant | Lanthanum(3+);triacetate;hydrate | HCID 19933532 | — |
| Product | Bis(3-hydroxypropyl) terephthalate | HCID 9925756 | — |
Reaction Steps
This example demonstrates the transesterification reaction of dimethyl terephthalate with 1,3-propanediol using lanthanum acetate monohydrate as the transesterification catalyst (150 ppm La based on final polymer) to form bis(3-hydroxypropyl) terephthalate.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05840957 |
| Source dataset | uspto-grants-1998_11 |
| ORD ID | ord-fb02728a8d7a4b98859ee8427ce6e050 |
| Source note | uspto-grants-1998_11 |