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Direct Transformation of Ethylene into Propylene Catalyzed by a Tungsten Hydride Supported on Alumina: Trifunctional Single‐Site Catalysis
Author(s) -
Taoufik Mostafa,
Le Roux Erwan,
ThivolleCazat Jean,
Basset JeanMarie
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200701199
Subject(s) - isomerization , ethylene , catalysis , hydride , metathesis , tungsten , chemistry , olefin fiber , polymer chemistry , butene , organic chemistry , polymerization , metal , polymer
A trifunctional single‐site catalyst : Ethylene is selectively transformed into propylene in a continuous‐flow reactor in the presence of the supported tungsten hydride W(H) 3 /Al 2 O 3 . Since the catalyst is also active for olefin metathesis, the reaction is likely to proceed at a “trifunctional catalytic site” by ethylene dimerization, butene isomerization, and cross‐metathesis of ethylene with 2‐butenes (see picture).
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