Issue 1, 2017

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

Abstract

Reported examples for synthesis of vanadium–alkylidene complexes and some selected reactions have been summarized. (Imido)vanadium(V)–alkylidene complexes exhibit catalytic activities for ring-opening metathesis polymerization (ROMP) of cyclic olefins; V(CHSiMe3)(N-2,6-Cl2C6H3)(OC6F5)(PMe3)2 exhibited remarkable catalytic activities for ROMPs of norbornene derivatives, polymerized cyclopentene and cis-cyclooctene. Highly cis-specific (living) ROMPs of norbornene have been achieved by V(CHSiMe3)(N-2,6-X2C6H3)[OC(CF3)3](PMe3)2 (X = H, Cl), and the activity increased at high temperature (50 and 80 °C) without a decrease in cis specificity (98%) in the presence of PMe3.

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

Article information

Article type
Perspective
Submitted
28 9 2016
Accepted
25 11 2016
First published
25 11 2016

Dalton Trans., 2017,46, 12-24

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

K. Nomura and X. Hou, Dalton Trans., 2017, 46, 12 DOI: 10.1039/C6DT03757G

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