Cyclic(alkyl)(amino)carbene ruthenium complexes for Z-stereoselective (asymmetric) olefin metathesis

The first Z-stereoselective catechodithiolate ruthenium complexes containing cyclic(alkyl)(amino)carbene ligands are reported. Isolated in nearly quantitative yields or in situ generated, these catalysts demonstrated remarkable Z selectivity (Z/E ratio up to >98/2) in ring-opening metathesis poly...

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Published inCatalysis science & technology Vol. 13; no. 2
Main Authors Morvan, Jennifer, Vermersch, François, Lorkowski, Jan, Talcik, Jakub, Vives, Thomas, Roisnel, Thierry, Crévisy, Christophe, Vanthuyne, Nicolas, Bertrand, Guy, Jazzar, Rodolphe, Mauduit, Marc
Format Journal Article
LanguageEnglish
Published United States Royal Society of Chemistry 28.10.2022
Subjects
Chemistry
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Summary:The first Z-stereoselective catechodithiolate ruthenium complexes containing cyclic(alkyl)(amino)carbene ligands are reported. Isolated in nearly quantitative yields or in situ generated, these catalysts demonstrated remarkable Z selectivity (Z/E ratio up to >98/2) in ring-opening metathesis polymerization (ROMP), ring-opening-cross metathesis (ROCM) and cross-metathesis (CM). Thanks to the efficient chiral HPLC resolution of racemic CAAC-complex precursors, optically pure dithiolated complexes were also synthesized allowing to produce enantioenriched Z-ROCM products in >99/1 Z/E with good levels of enantioselectivity.
Bibliography:USDOE Office of Science (SC), Basic Energy Sciences (BES)
SC0009376
ISSN:2044-4753