Issue 40, 2022, Issue in Progress

Mono- and dinuclear zirconocene(iv) amide complexes for the catalytic dehydropolymerisation of phenylsilane

Abstract

The dehydropolymerisation of phenylsilane is investigated using group 4 metallocene amide complexes as catalysts. The dinuclear zirconocene amide complex Cp2Zr(NMe2)(μ-Me3SiC3SiMe3)Zr(NMe2)Cp2 (2) (Cp = η5-cyclopentadienyl) shows high activity in dehydrocoupling reactions, producing polyphenylsilanes with molecular weights ranging from 200 to 3000 g mol−1 and linear-to-cyclic product ratios of up to 80 : 20. Likewise, different ratios of oligomers and polymers with different tacticities could be described. Ansa-zirconocene amide complexes possessing the ebthi (ebthi = 1,2-ethylene-1,1′-bis(η5-tetrahydroindenyl)) ligand systems were prepared and evaluated for catalytic dehydropolymerisation in comparison to the dinuclear catalyst system.

Graphical abstract: Mono- and dinuclear zirconocene(iv) amide complexes for the catalytic dehydropolymerisation of phenylsilane

Supplementary files

Article information

Article type
Paper
Submitted
08 Aug 2022
Accepted
08 Sep 2022
First published
15 Sep 2022
This article is Open Access
Creative Commons BY license

RSC Adv., 2022,12, 26277-26283

Mono- and dinuclear zirconocene(IV) amide complexes for the catalytic dehydropolymerisation of phenylsilane

K. Lindenau, A. Spannenberg, F. Reiß and T. Beweries, RSC Adv., 2022, 12, 26277 DOI: 10.1039/D2RA04955D

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements