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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1044468Generated: October 26, 2026

Itaconic acid → Lactic acid itaconic acid epsilon-caprolactone

https://huagongshe.com/reaction/1044468

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

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08563664B2
Source datasetuspto-grants-2013_10
ORD IDord-c841103ab0fc40968928bd54a36c5fc9
Source noteuspto-grants-2013_10