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Direct Deoxydehydration of Cyclic trans ‐Diol Substrates: An Experimental and Computational Study of the Reaction Mechanism of Vanadium(V)‐based Catalysis\*\* by Ebru Aksanoglu; Yee Hwee Lim; Richard A. Bryce is a Engineering article available to read on EtoBox.

What is Direct Deoxydehydration of Cyclic trans ‐Diol Substrates: An Experimental and Computational Study of the Reaction Mechanism of Vanadium(V)‐based Catalysis\*\* about?

## Abstract The deoxydehydration of carbohydrates represents a key target to leverage renewable biomass resources chemically. Using a vanadium(V)‐based catalyst, it was possible to directly deoxydehydrate cyclic __trans__‐diol substrates. Accompanying mechanistic characterisation of this process by density functional calculations pointed to an energetically tractable route for deoxydehydration of cyclic __trans__‐diol substrates involving stepwise cleavage of the diol C−O bonds via the triplet state; experimentally, this was supported by light dependence of the reaction. Calculations also indicated that cyclic __cis__‐diols and a linear diol substrate could additionally proceed by a concerted singlet DODH mechanism. This work potentially opens a new and cost‐effective way to efficiently convert carbohydrates of __trans__‐diol stereochemistry into alkenes.

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Author

Ebru Aksanoglu; Yee Hwee Lim; Richard A. Bryce

Publisher

John Wiley and Sons Inc.

Published

2021

Language

EN

Field

Engineering (Physical Sciences)