Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 14, Issue 28, Pages 8690-8695Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200800642
Keywords
asymmetric catalysis; desymmetrization; N-heterocyclic carbenes; olefin metathesis; ruthenium
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Funding
- NSERC (Canada)
- FQRNT (Quebec)
- CFI (Canada)
- Boehringer Ingelheim (Canada) Ltd.
- Merck Frosst Centre for Therapeutic Research
- Universite de Montreal
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In asymmetric olefin metathesis reactions, the addition of halide additives is often required to augment enantioselectivities, despite the fact that the additives result in catalysts with diminished reactivities. The preparation of new chiral Ru-based catalysts was accomplished by exploiting previously reported mechanistic studies. The catalysts possess a high level of reactivity and successfully induce high levels of asymmetry in desymmetrization reactions without the use of halide additives.
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