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Alkenylcarbene Ruthenium Arene Complexes as Initiators of Alkene Metathesis: An Enyne Creates a Catalyst that Promotes Its Selective Transformation
Author(s) -
Castarlenas Ricardo,
Eckert Matthieu,
Dixneuf Pierre H.
Publication year - 2005
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.200462865
Subject(s) - propargyl , alkene , ruthenium , metathesis , catalysis , enyne , chemistry , enyne metathesis , grubbs' catalyst , ring closing metathesis , ring (chemistry) , medicinal chemistry , stereochemistry , organic chemistry , polymerization , polymer
A molecule makes its own catalyst : [RuCl(arene)(PCy 3 )]OTf (e. g. 1 ) with allyl or propyl propargyl ethers gives alkenylcarbene derivatives 2 by a metallo‐retro‐ene reaction. The latter species are efficient initiators for catalytic ring‐closing metathesis of allyl propargyl ethers into alkenylcycloalkenes and of dienes into cyclic alkenes (see scheme).