Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 853961Generated: October 25, 2026

Itaconic acid → Lactic acid itaconic acid epsilon-caprolactone

https://huagongshe.com/reaction/853961

Reaction equation

Participants

RoleNameHCIDCharge
ReactantItaconic acidHCID 811—
ReactantPentaerythritolHCID 8285—
Reactantepsilon-CAPROLACTONEHCID 10401—
ReactantStannous cationHCID 104883—
ReactantL-Lactic AcidHCID 107689—
ProductLactic acid itaconic acid epsilon-caprolactoneHCID 86597550—

Reaction Steps

The polymerisation was performed like in Example 1, but the amount of the ingredients were 794.7 g aqueous L-lactic acid (81 mole-%), 72.5 g itaconic acid (7 mole-%), 110.7 g ε-caprolactone (10 mole-%), 22.0 g pentaerythritol (2 mole-%) and 0.39 g tin(II) octoate, and the polymerisation time was 26 hours.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07256250B2
Source datasetuspto-grants-2007_08
ORD IDord-fa052f4844594e079e71ffaa6f945fca
Source noteuspto-grants-2007_08