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Application of a ferrocene-chelating heteroscorpionate ligand in nickel mediated radical polymerization

09 January 2023, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

A nickel bromide complex supported by a non-innocent ferrocene-chelating heteroscorpionate ligand, [(fc(PPh2)(BH(3,5-Me2pz)2)NiBr] ((fcP,B)NiBr, fc = 1,1’-ferrocenediyl, pz = pyrazole), was synthesized and characterized. The compound can be readily oxidized according to UV-vis and 1H NMR spectroscopy. The catalytic activity of the compound’s different oxidation states in the polymerization of vinyl monomers was explored. AB and ABA-type block copolymers were made from styrene and p-chlorostyrene, offering an example of orthogonal redox control in radical polymerization.

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Version History

Jan 09, 2023 Version 1

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The content is available under CC BY NC 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2023-5tbxr
D O I: 10.26434/chemrxiv-2023-5tbxr [opens in a new tab]

Funding

National Science Foundation
CHE-1809116
National Science Foundation
DGE-1735325
Natural Science Foundation of China
21872101
China Scholarship Council
Qingdao Agricultural University Doctoral Startup Fund
655/1121017

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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