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Facile In Situ Generation of Highly Active (Arylimido)Vanadium(V)-Alkylidene Catalysts for Ring-Opening Metathesis Polymerization (ROMP) of Cyclic Olefins by Immediate Phenoxy Ligand Exchange

Abstract

Highly active catalysts for ring-opening metathesis polymerization (ROMP) of cyclic olefins (norbornene, cyclopentene, cycloheptene) can be generated in situ by premixing V(CHSiMe3)(NC6F5)(O-2,6-iPr2C6H3)(PMe3)2 (1) with 1.0 equiv of C6F5OH or C6Cl5OH via the immediate phenoxy exchange; the activity was affected by the kind of phenol added [activity (TOF) in the ROMPs of norbornene: 46200 min-1 (upon addition of C6F5OH) vs 37.3 min-1 (by 1)].

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Publication details

The article was received on 06 Oct 2018, accepted on 08 Nov 2018 and first published on 08 Nov 2018


Article type: Communication
DOI: 10.1039/C8CC07974A
Citation: Chem. Commun., 2018, Accepted Manuscript
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    Facile In Situ Generation of Highly Active (Arylimido)Vanadium(V)-Alkylidene Catalysts for Ring-Opening Metathesis Polymerization (ROMP) of Cyclic Olefins by Immediate Phenoxy Ligand Exchange

    H. Hayashibara, X. Hou and K. Nomura, Chem. Commun., 2018, Accepted Manuscript , DOI: 10.1039/C8CC07974A

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