Study of the benzylation of benzene and other aromatics by benzyl chloride over transition metal chloride supported mesoporous SBA-15 catalysts
Identifieur interne : 000708 ( Main/Exploration ); précédent : 000707; suivant : 000709Study of the benzylation of benzene and other aromatics by benzyl chloride over transition metal chloride supported mesoporous SBA-15 catalysts
Auteurs : K. Bachari [Algérie] ; O. Cherifi [Algérie]Source :
- Journal of molecular catalysis. A, Chemical [ 1381-1169 ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Benzylation, Benzène, Toluène(α-chloro), Catalyseur sur support, Catalyse hétérogène, Support catalyseur, Mésoporosité, Réaction catalytique, Composé benzénique, Matériau poreux, Hydrocarbure chloré, Métal transition Composé, Fer Chlorure, Indium Chlorure, Gallium Chlorure, Zinc Chlorure, Cuivre Chlorure, Nickel Chlorure, SBA-15, SBA15.
English descriptors
- KwdEn :
- Benzene, Benzenic compound, Benzylation, Catalyst support, Catalytic reaction, Chlorocarbon, Copper Chlorides, Gallium Chlorides, Heterogeneous catalysis, Indium Chlorides, Iron Chlorides, Mesoporosity, Nickel Chlorides, Porous material, Supported catalyst, Transition metal Compounds, Zinc Chlorides.
Abstract
The benzylation of benzene by benzyl chloride to diphenylmethane over FeCl3, InCl3, GaCl3, ZnCl2, CuCl2 and NiCl2 supported on mesoporous SBA-15 at 353 K has been investigated. The redox property due to the impregnation of the SBA-15 by transition metal chloride seems to play a very important role in the benzene benzylation process. Among the catalysts, the FeCl3/SBA-15 showed both high conversation and high selectivity for the benzylation of benzene. The activity of these catalysts for the benzylation of different aromatic compounds is in the following order: benzene > toluene >p-xylene > anisole. More interesting is the observation that this catalyst is always active and selective for large molecules like naphthenic compounds such as methoxynaphthalene and he can also be reused in the benzylation of benzene for several times. Kinetics of the benzene benzylation over these catalysts have also been investigated.
Affiliations:
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Bachari</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques (CRAPC), BP 248, Alger RP 16004</s1><s2>Alger</s2><s3>DZA</s3><sZ>1 aut.</sZ></inist:fA14><country>Algérie</country><placeName><settlement type="city">Alger</settlement><region nuts="2">Wilaya d'Alger</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire de Chimie du Gaz Naturel, Faculté de Chimie, BP 32, USTHB, Bab Ezzouar Alger</s1><s2>16111, El Alia</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>16111, El Alia</wicri:noRegion></affiliation></author><author><name sortKey="Cherifi, O" sort="Cherifi, O" uniqKey="Cherifi O" first="O." last="Cherifi">O. Cherifi</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire de Chimie du Gaz Naturel, Faculté de Chimie, BP 32, USTHB, Bab Ezzouar Alger</s1><s2>16111, El Alia</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>16111, El Alia</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">07-0107805</idno><date when="2006">2006</date><idno type="stanalyst">PASCAL 07-0107805 INIST</idno><idno type="RBID">Pascal:07-0107805</idno><idno type="wicri:Area/PascalFrancis/Corpus">000260</idno><idno type="wicri:Area/PascalFrancis/Curation">000181</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000268</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000268</idno><idno type="wicri:doubleKey">1381-1169:2006:Bachari K:study:of:the</idno><idno type="wicri:Area/Main/Merge">000727</idno><idno type="wicri:Area/Main/Curation">000708</idno><idno type="wicri:Area/Main/Exploration">000708</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Study of the benzylation of benzene and other aromatics by benzyl chloride over transition metal chloride supported mesoporous SBA-15 catalysts</title><author><name sortKey="Bachari, K" sort="Bachari, K" uniqKey="Bachari K" first="K." last="Bachari">K. Bachari</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques (CRAPC), BP 248, Alger RP 16004</s1><s2>Alger</s2><s3>DZA</s3><sZ>1 aut.</sZ></inist:fA14><country>Algérie</country><placeName><settlement type="city">Alger</settlement><region nuts="2">Wilaya d'Alger</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire de Chimie du Gaz Naturel, Faculté de Chimie, BP 32, USTHB, Bab Ezzouar Alger</s1><s2>16111, El Alia</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>16111, El Alia</wicri:noRegion></affiliation></author><author><name sortKey="Cherifi, O" sort="Cherifi, O" uniqKey="Cherifi O" first="O." last="Cherifi">O. Cherifi</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire de Chimie du Gaz Naturel, Faculté de Chimie, BP 32, USTHB, Bab Ezzouar Alger</s1><s2>16111, El Alia</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>16111, El Alia</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of molecular catalysis. A, Chemical</title><title level="j" type="abbreviated">J. mol. catal., A Chem.</title><idno type="ISSN">1381-1169</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of molecular catalysis. A, Chemical</title><title level="j" type="abbreviated">J. mol. catal., A Chem.</title><idno type="ISSN">1381-1169</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Benzene</term><term>Benzenic compound</term><term>Benzylation</term><term>Catalyst support</term><term>Catalytic reaction</term><term>Chlorocarbon</term><term>Copper Chlorides</term><term>Gallium Chlorides</term><term>Heterogeneous catalysis</term><term>Indium Chlorides</term><term>Iron Chlorides</term><term>Mesoporosity</term><term>Nickel Chlorides</term><term>Porous material</term><term>Supported catalyst</term><term>Transition metal Compounds</term><term>Zinc Chlorides</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Benzylation</term><term>Benzène</term><term>Toluène(α-chloro)</term><term>Catalyseur sur support</term><term>Catalyse hétérogène</term><term>Support catalyseur</term><term>Mésoporosité</term><term>Réaction catalytique</term><term>Composé benzénique</term><term>Matériau poreux</term><term>Hydrocarbure chloré</term><term>Métal transition Composé</term><term>Fer Chlorure</term><term>Indium Chlorure</term><term>Gallium Chlorure</term><term>Zinc Chlorure</term><term>Cuivre Chlorure</term><term>Nickel Chlorure</term><term>SBA-15</term><term>SBA15</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The benzylation of benzene by benzyl chloride to diphenylmethane over FeCl<sub>3</sub>, InCl<sub>3</sub>, GaCl<sub>3</sub>, ZnCl<sub>2</sub>, CuCl<sub>2</sub> and NiCl<sub>2</sub> supported on mesoporous SBA-15 at 353 K has been investigated. The redox property due to the impregnation of the SBA-15 by transition metal chloride seems to play a very important role in the benzene benzylation process. Among the catalysts, the FeCl<sub>3</sub>/SBA-15 showed both high conversation and high selectivity for the benzylation of benzene. The activity of these catalysts for the benzylation of different aromatic compounds is in the following order: benzene > toluene >p-xylene > anisole. More interesting is the observation that this catalyst is always active and selective for large molecules like naphthenic compounds such as methoxynaphthalene and he can also be reused in the benzylation of benzene for several times. Kinetics of the benzene benzylation over these catalysts have also been investigated.</div></front></TEI><affiliations><list><country><li>Algérie</li></country><region><li>Wilaya d'Alger</li></region><settlement><li>Alger</li></settlement></list><tree><country name="Algérie"><region name="Wilaya d'Alger"><name sortKey="Bachari, K" sort="Bachari, K" uniqKey="Bachari K" first="K." last="Bachari">K. Bachari</name></region><name sortKey="Bachari, K" sort="Bachari, K" uniqKey="Bachari K" first="K." last="Bachari">K. Bachari</name><name sortKey="Cherifi, O" sort="Cherifi, O" uniqKey="Cherifi O" first="O." last="Cherifi">O. Cherifi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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