Alkane metathesis with the tantalum methylidene [(≡SiO)Ta(=CH2)Me2]/[(≡SiO)2Ta(=CH2)Me] generated from well-defined surface organometallic complex [(≡SiO)TaVMe4]

Handle URI:
http://hdl.handle.net/10754/575636
Title:
Alkane metathesis with the tantalum methylidene [(≡SiO)Ta(=CH2)Me2]/[(≡SiO)2Ta(=CH2)Me] generated from well-defined surface organometallic complex [(≡SiO)TaVMe4]
Authors:
Chen, Yin; Abou-Hamad, Edy; Hamieh, Ali Imad Ali ( 0000-0002-5218-3617 ) ; Hamzaoui, Bilel; Emsley, Lyndon; Basset, Jean-Marie ( 0000-0003-3166-8882 )
Abstract:
By grafting TaMe5 on Aerosil700, a stable, well-defined, silica-supported tetramethyl tantalum(V) complex, [(≡SiO)TaMe4], is obtained on the silica surface. After thermal treatment at 150 °C, the complex is transformed into two surface tantalum methylidenes, [(≡SiO)2Ta(=CH2)Me] and [(≡SiO)Ta(=CH2)Me2], which are active in alkane metathesis and comparable to the previously reported [(≡SiO)2TaHx]. Here we present the first experimental study to isolate and identify a surface tantalum carbene as the intermediate in alkane metathesis. A systematic experimental study reveals a new reasonable pathway for this reaction.
KAUST Department:
KAUST Catalysis Center (KCC); Physical Sciences and Engineering (PSE) Division; Solar and Photovoltaic Engineering Research Center (SPERC)
Publisher:
American Chemical Society (ACS)
Journal:
Journal of the American Chemical Society
Issue Date:
21-Jan-2015
DOI:
10.1021/ja5113468
Type:
Article
ISSN:
00027863
Sponsors:
We thank KAUST for the generous financial support. This paper is dedicated to Yves Chauvin.
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division; KAUST Catalysis Center (KCC); Solar and Photovoltaic Engineering Research Center (SPERC)

Full metadata record

DC FieldValue Language
dc.contributor.authorChen, Yinen
dc.contributor.authorAbou-Hamad, Edyen
dc.contributor.authorHamieh, Ali Imad Alien
dc.contributor.authorHamzaoui, Bilelen
dc.contributor.authorEmsley, Lyndonen
dc.contributor.authorBasset, Jean-Marieen
dc.date.accessioned2015-08-24T08:34:43Zen
dc.date.available2015-08-24T08:34:43Zen
dc.date.issued2015-01-21en
dc.identifier.issn00027863en
dc.identifier.doi10.1021/ja5113468en
dc.identifier.urihttp://hdl.handle.net/10754/575636en
dc.description.abstractBy grafting TaMe5 on Aerosil700, a stable, well-defined, silica-supported tetramethyl tantalum(V) complex, [(≡SiO)TaMe4], is obtained on the silica surface. After thermal treatment at 150 °C, the complex is transformed into two surface tantalum methylidenes, [(≡SiO)2Ta(=CH2)Me] and [(≡SiO)Ta(=CH2)Me2], which are active in alkane metathesis and comparable to the previously reported [(≡SiO)2TaHx]. Here we present the first experimental study to isolate and identify a surface tantalum carbene as the intermediate in alkane metathesis. A systematic experimental study reveals a new reasonable pathway for this reaction.en
dc.description.sponsorshipWe thank KAUST for the generous financial support. This paper is dedicated to Yves Chauvin.en
dc.publisherAmerican Chemical Society (ACS)en
dc.titleAlkane metathesis with the tantalum methylidene [(≡SiO)Ta(=CH2)Me2]/[(≡SiO)2Ta(=CH2)Me] generated from well-defined surface organometallic complex [(≡SiO)TaVMe4]en
dc.typeArticleen
dc.contributor.departmentKAUST Catalysis Center (KCC)en
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentSolar and Photovoltaic Engineering Research Center (SPERC)en
dc.identifier.journalJournal of the American Chemical Societyen
dc.contributor.institutionCentre de RMN À Très Hauts Champs, Institut de Sciences Analytiques, Université de Lyon, 5 rue de la DouaVilleurbanne, Franceen
dc.contributor.institutionInstitut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL)Lausanne, Switzerlanden
kaust.authorChen, Yinen
kaust.authorAbou-Hamad, Edyen
kaust.authorHamieh, Ali Imad Alien
kaust.authorHamzaoui, Bilelen
kaust.authorBasset, Jean-Marieen
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