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Ruthenium‐Catalyzed Selective Hydrogenation of Benzene to Cyclohexene in the Presence of an Ionic Liquid
Author(s) -
Schwab Frederick,
Lucas Martin,
Claus Peter
Publication year - 2011
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.201104959
Subject(s) - cyclohexene , benzene , cyclohexane , ruthenium , catalysis , ionic liquid , selectivity , chemistry , inorganic chemistry , salt (chemistry) , ionic bonding , photochemistry , organic chemistry , ion
Reducing circumstances : The hydrogenation of benzene in organic phase leads rapidly to cyclohexane. A very simple catalyst system comprising only supported ruthenium in water with the addition of the ionic liquid 1 (R=Me) in the ppm range catalyzes the extremely difficult selective hydrogenation of benzene to cyclohexene. It is not necessary to add large amounts of salt (ZnSO 4 ) or other metals, which is otherwise done to control selectivity.
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