Novel Highly Active Niobium Catalysts for Ring Opening Metathesis Polymerization of Norbornene

2009 ◽  
Vol 30 (20) ◽  
pp. 1762-1768 ◽  
Author(s):  
Anna Maria Raspolli Galletti ◽  
Guido Pampaloni ◽  
Aldo D'Alessio ◽  
Yogesh Patil ◽  
Filippo Renili ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Metathesis Polymerization ◽  
Metathesis Polymerization ◽  
Highly Active

Facile in situ generation of highly active (arylimido)vanadium(v)–alkylidene catalysts for the ring-opening metathesis polymerization (ROMP) of cyclic olefins by immediate phenoxy ligand exchange

2018 ◽  
Vol 54 (96) ◽  
pp. 13559-13562 ◽  
Author(s):  
Hitomi Hayashibara ◽  
Xiaohua Hou ◽  
Kotohiro Nomura
Keyword(s):  
Ligand Exchange ◽  
Ring Opening ◽  
Ring Opening Metathesis Polymerization ◽  
Metathesis Polymerization ◽  
Cyclic Olefins ◽  
Highly Active ◽  
In Situ Generation

Remarkably active vanadium(v)–alkylidene catalysts for the ring-opening metathesis polymerization of cyclic olefins can be generated in situ upon addition of C6F5OH or C6Cl5OH.

Synthesis of vanadium–alkylidene complexes and their use as catalysts for ring opening metathesis polymerization

2017 ◽  
Vol 46 (1) ◽  
pp. 12-24 ◽  
Author(s):  
Kotohiro Nomura ◽  
Xiaohua Hou
Keyword(s):  
Ring Opening ◽  
Ring Opening Metathesis Polymerization ◽  
Metathesis Polymerization ◽  
Ligand Modification ◽  
Cyclic Olefins ◽  
Highly Active ◽  
Alkylidene Complexes

Synthesis of vanadium–alkylidene complexes and some reactions have been reviewed; highly active, thermally robust, cis specific ROMP of cyclic olefins has been attained by ligand modification in (imido)vanadium(v)–alkylidene catalysts.

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