Simple transformation of crystalline chiral natural anions to liquid medium and their use to induce chirality

New chiral ionic liquids can be prepared simply by combining the tetra-n-hexyl-dimethylguanidinium cation with readily available chiral anions and used as an asymmetric inducing agent as demonstrated for catalytic Rh(II) carbenoid C - H insertion and Sharpless dihydroxylation.

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Bibliographic Details
Published inChemical communications (Cambridge, England) no. 22; pp. 2371 - 2372
Main Authors Branco, Luis C., Gois, Pedro M. P., Lourenco, Nuno M. T., Kurteva, Vanya B., Afonso, Carlos A. M.
Format Journal Article
LanguageEnglish
Published CAMBRIDGE Royal Soc Chemistry 01.01.2006
Subjects
Anions - chemistry
Catalysis
Cations - chemistry
Chemistry
Chemistry, Multidisciplinary
Crystallization
Hydroxylation
Ionic Liquids - chemical synthesis
Ionic Liquids - chemistry
Molecular Structure
Organometallic Compounds - chemistry
Physical Sciences
Rhodium - chemistry
Science & Technology
Stereoisomerism
SOLVENTS
IONIC LIQUIDS
NEW-GENERATION
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Summary:New chiral ionic liquids can be prepared simply by combining the tetra-n-hexyl-dimethylguanidinium cation with readily available chiral anions and used as an asymmetric inducing agent as demonstrated for catalytic Rh(II) carbenoid C - H insertion and Sharpless dihydroxylation.
ISSN:1359-7345
1364-548X
DOI:10.1039/b600816j