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Synthesis of menthols from citral on Ni/SiO2–Al2O3 catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
50342 46790 2013 5 PDF Available
Title
Synthesis of menthols from citral on Ni/SiO2–Al2O3 catalysts
Abstract

The one-pot synthesis of menthols from citral was studied on Ni/SiO2–AlO3 catalysts containing 3.6%, 8.8% and 11.4% Ni. The yield of menthols increased with the amount of Ni up to 94% on Ni(11.4%)/SiO2–AlO3, reflecting the diminution of byproducts formation via acid-catalyzed reactions. The sample deactivation was studied by performing two consecutive catalytic tests. Results showed that Ni(11.4%)/SiO2–AlO3 was a stable, active, and highly selective catalyst because it contained the appropriate density and strength of bifunctional acid/Ni0 active sites to efficiently promote the hydrogenation/isomerization pathway involved in the reaction network while avoiding coke formation.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► One-pot menthol synthesis from citral is efficiently promoted on Ni/SiO2–Al2O3 ► Ni(12%)/ SiO2Al3 yields 94% menthols from citral at 343 K and 2026 kPa ► This value is similar to the best yields reported on metal/acid catalysts

Keywords
Menthol synthesis; Ni catalysts; Citral; Fine chemistry
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Synthesis of menthols from citral on Ni/SiO2–Al2O3 catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 32, 5 February 2013, Pages 62–66
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us