Journal ArticleDOI
Citral hydrogenation on supported platinum catalysts
R. Malathi,R.P. Viswanath +1 more
TLDR
In this paper, the authors used supported platinum systems for selective hydrogenation of citral to the unsaturated alcohol and observed the formation of geraniol (E isomer) as the sole product of the hydrogenation.Abstract:
Supported platinum systems have been used as catalysts for selective hydrogenation of citral to the unsaturated alcohol. The CO bond is hydrogenated rather than the thermodynamically favorable CC bond on supported platinum systems. This is due to the influence of the SMSI (strong metal–support interaction) state in these supported platinum catalysts. In all the supported catalyst systems the formation of geraniol (E isomer) has been observed as the sole product of the hydrogenation of citral.read more
Citations
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Journal ArticleDOI
Chemoselective hydrogenation of carbonyl compounds over heterogeneous catalysts
TL;DR: In this article, the state-of-the-art in both kinetic and molecular modelling used in chemoselective hydrogenations was presented, some special features, like conversion-selectivity relationship and the performance in gas and liquid phase hydrogenations were discussed.
Journal ArticleDOI
Ceria‐Based Solid Catalysts for Organic Chemistry
L. Vivier,Daniel Duprez +1 more
TL;DR: This Review demonstrates that the exceptional surface (and sometimes bulk) properties of ceria make cerium-based catalysts very effective for a broad range of organic reactions.
Journal ArticleDOI
Furfuraldehyde hydrogenation on titanium oxide-supported platinum nanoparticles studied by sum frequency generation vibrational spectroscopy: acid-base catalysis explains the molecular origin of strong metal-support interactions.
L. Robert Baker,Griffin Kennedy,Matthijs A. van Spronsen,Antoine Hervier,Xiaojun Cai,Shiyou Chen,Lin-Wang Wang,Gabor A. Somorjai +7 more
TL;DR: The results demonstrate that charge transfer from TiO(2) on a Pt/TiO( 2) catalyst controls the product distribution of furfuraldehyde hydrogenation by an acid-base mechanism.
Journal ArticleDOI
Liquid-phase hydrogenation of citral for production of citronellol: catalyst selection
Päivi Mäki-Arvela,Lasse-Pekka Tiainen,Marina Lindblad,K Demirkan,Narendra Kumar,Rainer Sjöholm,Tapio Ollonqvist,Juhani Väyrynen,Tapio Salmi,D. Yu. Murzin +9 more
TL;DR: In this paper, the authors compared different support materials and catalyst preparation methods for the selective hydrogenation of citral to citronellol and found that the highest selectivity was dependent on conversion.
Journal ArticleDOI
Hydrogenation of citral: a wide-spread model reaction for selective reduction of α,β-unsaturated aldehydes
TL;DR: In this article, a review of the literature on catalysts for the selective hydrogenation of α,β-unsaturated carbonyl compounds is presented, along with the scope and limitation of advanced reaction technologies with respect to hydrogenation.
References
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Book
Catalysis of organic reactions
TL;DR: A collection of 33 papers and posters from a conference in Boca Raton, Florida, May 1990, in which chemists from the chemical and pharmaceutical industries, and from academia, discuss their work on the use of catalysis in organic synthesis is presented in this article.
Journal ArticleDOI
Metal-support effects on the intramolecular selectivity of crotonaldehyde hydrogenation over platinum
M. Albert Vannice,Bishwajit Sen +1 more
TL;DR: In this article, the vapor phase hydrogenation of crotonaldehyde (CROALD) was studied at low temperature and low conversions over Pt powder and Pt dispersed on SiO2, η)-Al2O3, and TiO2 after either a high or a low-temperature reduction, HTR and LTR, respectively.
Journal ArticleDOI
Structure sensitivity of the hydrogenation of crotonaldehyde over Pt/SiO2 and Pt/TiO2
TL;DR: In this paper, the selectivity of catalysts with small and large metal particles was investigated for the hydrogenation of crotonaldehyde via the carbonyl bond in the presence of coordinatively unsaturated Ti cations in these oxide particles.
Journal ArticleDOI
Metal-support effects on acetone hydrogenation over platinum catalysts
Bishwajit Sen,M. Albert Vannice +1 more
TL;DR: In this paper, the metal-support effect responsible for higher CO hydrogenation rates over certain metal/TiO 2 catalysts represents a phenomenon capable of activating carbonyl bonds in general.
Journal ArticleDOI
Composition and catalytic properties in cinnamaldehyde hydrogenation of charcoal-supported, platinum catalysts modified by FeCl2 additives
TL;DR: In this paper, the activity and selectivity of platinum for liquid-phase hydrogenation of cinnamaldehyde into Cinnamyl alcohol are improved by adding FeCl2 to the reaction medium.
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Liquid-Phase Citral Hydrogenation over SiO2-Supported Group VIII Metals
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