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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1044467Generated: October 26, 2026

Itaconic acid → Lactic acid itaconic acid epsilon-caprolactone

https://huagongshe.com/reaction/1044467

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 846.3 g of aqueous L-Iactic acid (86 mole-%), 66.2 g of itaconic acid (6 mole-%), 67.4 g of ε-caprolactone (6 mole-%), 20.1 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-9d09a825d7ec4d8b8a7f6b9a5e0258e7
Source noteuspto-grants-2013_10