Access to Highly Stereodefined 1,4-cis-Polydienes by a [Ni/Mg] Orthogonal Tandem Catalytic PolymerizationClick to copy article linkArticle link copied!
- Daniele FioritoDaniele FioritoDepartment of Organic Chemistry, University of Geneva, 30 quai Ernest Ansermet, 1211 Geneva, SwitzerlandMore by Daniele Fiorito
- Malaury SimonMalaury SimonChimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005 Paris, FranceMore by Malaury Simon
- Christophe M. Thomas*Christophe M. Thomas*Email [email protected]Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005 Paris, FranceMore by Christophe M. Thomas
- Clément Mazet*Clément Mazet*Email [email protected]Department of Organic Chemistry, University of Geneva, 30 quai Ernest Ansermet, 1211 Geneva, SwitzerlandMore by Clément Mazet
Abstract
A [Ni/Mg]-catalyzed orthogonal tandem polymerization has been developed starting from enol phosphates. Initial investigations conducted on branched 1,3-dienes as monomers enabled identification of a Mg-initiated polymerization process leading to 1,4-cis-polydienes. When aryl enol phosphates are used as monomers, the [Ni/Mg]-catalyzed tandem polymerization affords 1,4-cis-polydienes with selectivities up to 99%. Elastomeric or crystalline materials were obtained by simple structural modifications of the monomeric unit. This tandem approach appears as a straightforward and efficient way to enforce diversity and selectivity in diene polymerization while retaining a fair degree of control, just as observed for stepwise systems that are accessible through established time- and manpower-consuming synthetic procedures.
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