Mechanism and Stereoselectivity of Zeolite-catalysed Sugar Isomerisation in Alcohols

Saravanamurugan Shunmugavel, Anders Riisager, Esben Taarning, Sebastian Meier

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Glucose isomerisation to fructose can occur by different pathways and the mechanism of zeolite-catalysed glucose isomerisation in methanol has remained incompletely understood. Herein, the mechanism is studied using an 1H-13C HSQC NMR assay resolving different fructose isotopomers. We find that zeolite-catalysed glucose isomerisation proceeds predominantly via a hydride shift into the pro-R position of fructose, thus resembling the stereoselectivity of the enzymatic isomerisation process.
Original languageEnglish
JournalChemical Communications
Volume52
Pages (from-to)12773-12776
Number of pages4
ISSN1359-7345
DOIs
Publication statusPublished - 2016

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