The Metathesis Polymerization of Norbornene and Its Derivatives Initiated By Tungsten-Carbene Complexes: Relative Stability of the Intermediate Tungstenacyclo-Butane Complexes

1989 ◽  
pp. 313-322 ◽  
Author(s):  
K. J. Ivin ◽  
J. Kress ◽  
J. A. Osborn ◽  
J. J. Rooney
Keyword(s):  
Relative Stability ◽  
Carbene Complexes ◽  
Metathesis Polymerization

Cationic tungsten imido alkylidene N-heterocyclic carbene complexes for stereospecific ring-opening metathesis polymerization of norbornene derivatives

2021 ◽  
Author(s):  
Janis V. Musso ◽  
Mathis Benedikter ◽  
Paul Gebel ◽  
Vincent Gramm ◽  
Dongren Wang ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Metathesis Polymerization ◽  
Carbene Complexes ◽  
Metathesis Polymerization ◽  
Norbornene Derivatives

Cationic W alkylidene N-heterocyclic carbene complexes allow for the stereospecific ring-opening metathesis polymerization of norbornenes with high trans-iso- and high cis-syndiospecificity, respectively.

Synthesis of trans-Isotactic Poly(norbornene)s through Living Ring-Opening Metathesis Polymerization Initiated by Group VI Imido Alkylidene N-Heterocyclic Carbene Complexes

2019 ◽  
Vol 52 (11) ◽  
pp. 4059-4066 ◽  
Author(s):  
Mathis J. Benedikter ◽  
Roman Schowner ◽  
Iris Elser ◽  
Philipp Werner ◽  
Katharina Herz ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Metathesis Polymerization ◽  
Group Vi ◽  
Carbene Complexes ◽  
Metathesis Polymerization
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