Cationic bis-N-heterocyclic carbene (NHC) ruthenium complex: Structure and application as latent catalyst in olefin metathesis
Toupet, Loïc J.
KAUST DepartmentChemical Science Program
KAUST Catalysis Center (KCC)
Physical Sciences and Engineering (PSE) Division
Online Publication Date2014-09-11
Print Publication Date2014-10-13
Permanent link to this recordhttp://hdl.handle.net/10754/575611
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AbstractAn unexpected cationic bis-N-heterocyclic carbene (NHC) benzylidene ether based ruthenium complex (2 a) was prepared through the double incorporation of an unsymmetrical unsaturated N-heterocyclic carbene (U2-NHC) ligand that bore an N-substituted cyclododecyl side chain. The isolation and full characterization (including X-ray diffraction studies) of key synthetic intermediates along with theoretical calculations allowed us to understand the mechanism of the overall cationization process. Finally, the newly developed complex 2 a displayed interesting latent behavior during ring-closing metathesis, which could be "switched on" under acidic conditions.
SponsorsM.M. thanks Rennes Metropole (grant to P.Q.) and the ANR C-Flow-OM (12-CD2I-0002).
JournalChemistry - A European Journal