Chiral Atropisomeric‐NHC Catechodithiolate Ruthenium Complexes for Z‐Selective Asymmetric Ring‐Opening Cross Metathesis of Exo‐Norbornenes

Author:

Morvan Jennifer1,Bouëtard Dylan1,Kong Lingyu2ORCID,Chou Yajie2,Vives Thomas1ORCID,Albalat Muriel2ORCID,Roisnel Thierry1ORCID,Crévisy Christophe1ORCID,Nava Paola2ORCID,Humbel Stéphane2ORCID,Vanthuyne Nicolas2ORCID,Clavier Hervé2ORCID,Mauduit Marc1ORCID

Affiliation:

1. Ecole Nationale Supérieure de Chimie de Rennes CNRS ISCR UMR 6226 Univ Rennes 35000 Rennes France

2. Centrale Marseille iSm2 Aix Marseille Univ. CNRS Marseille France

Abstract

AbstractA set of 16 chiral ruthenium complexes containing atropisomerically stable N‐Heterocyclic Carbene (NHC) ligands was synthesized from prochiral NHC precursors. After a rapid screening in asymmetric ring‐opening‐cross metathesis (AROCM), the most effective chiral atropBIAN‐NHC Ru‐catalyst (up to 97 : 3 er) was then converted to a Z‐selective catechodithiolate complex. The latter proved to be highly efficient in Z‐selective AROCM of exo‐norbornenes affording valuable trans‐cyclopentanes with excellent Z‐selectivity (>98 %) and high enantioselectivity (up to 96.5 : 3.5 er).

Funder

Région Bretagne

Agence Nationale de la Recherche

Publisher

Wiley

Subject

General Chemistry,Catalysis,Organic Chemistry

Reference84 articles.

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