Conversion of glycerin into lactic acid by alkaline hydrothermal reaction

Hisanori Kishida, Fangming Jin, Zhouyu Zhou, Takehiko Moriya, Heiji Enomoto

Research output: Contribution to journalArticlepeer-review

179 Citations (Scopus)


Hydrothermal decomposition experiments of glycerin with an alkali showed that glycerin could be converted into lactic acid with a high yield of about 9.0 mol % based on glycerin used. Discussion on the pathway for the conversion of glycerin to lactic acid suggests that glycerin is first decomposed to pyruvaldehyde with elimination of hydrogen by a H - shift to the adjacent hydrogen. Pyruvaldehyde formed is then converted into lactic acid ion by the benzilic acid rearrangement.

Original languageEnglish
Pages (from-to)1560-1561
Number of pages2
JournalChemistry Letters
Issue number11
Publication statusPublished - 2005 Nov 5


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