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Hydrothermal formation of 1,2,4-benzenetriol from 5-hydroxymethyl-2-furaldehyde and d-fructose

✍ Scribed by Gerard C.A. Luijkx; Fred van Rantwijk; Herman van Bekkum

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
549 KB
Volume
242
Category
Article
ISSN
0008-6215

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✦ Synopsis

Thermolysis of 0.05 M aqueous 5-hydroxymethyl-2-furaldehyde (HMF) at 27.5 MPa and 290 to 400°C led to the formation of 1,2,4-benzenetriol in yields of up to 46% at 50% HMF conversion. The reaction temperature and water density have a significant effect on the product composition. Pseudofirst-order reaction rate constants for HMF conversion under these conditions range from 0.107 to 0.308 min-'. For the region 290 to 350°C the activation energy for HMF conversion was found to be 47.7 kJ.mol-'. When subjecting o-fructose to hydrothermolysis, the main products are HMF, 1.2,4-benzenetriol. and furfural.

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