Hafnium Complexes Supported by <i>C</i>,<i>N</i>,<i>N</i>‑Tridentate, Pincer-Type Ligands Containing a Six- or Seven-Membered Metallacycle for the Synthesis of High-Performance Olefin Block Copolymers

Hafnium Complexes Supported by <i>C</i>,<i>N</i>,<i>N</i>‑Tridentate, Pincer-Type Ligands Containing a Six- or Seven-Membered Metallacycle for the Synthesis of High-Performance Olefin Block Copolymers

This study presents a series of hafnium (<b>Hf1</b> and <b>Hf2</b>) and zirconium (<b>Zr1</b> and <b>Zr2</b>) complexes, supported by <i>C</i>,<i>N</i>,<i>N</i>-tridentate, pincer-type ligands, that feature a six-mem...

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Bibliographic Details
Main Author:	Yukai Gong (17706425) (author)
Other Authors:	Lihang Jiang (21248927) (author), Jinbo Zhang (3599318) (author), Shaofeng Liu (667160) (author), Pierre Braunstein (1415620) (author), Zhibo Li (1328010) (author)
Published:	2025
Subjects:	Biophysics Biochemistry Molecular Biology Neuroscience Pharmacology Biotechnology Immunology Chemical Sciences not elsewhere classified synthesizing hard segments pe )· mol olefin block copolymers investigated using nmr incorporation levels lower impressive molecular weights chain transfer reactions 3 mol %. zirconium (< b hafnium (< b hf – c 130 ° c zr1 </ b hf4 </ b hf2 </ b hf1 </ b type ligands containing membered metallacyclic structure aryl </ sub hafnium complexes supported </ sub >< unexpected high selectivity c </ type ligands >< sub ortho </ n </ metal complexes complexes exhibit study presents significant efficiency promising candidate potential applications polyolefin elastomers ms spectroscopy membered metallacycle high activity >‑ tridentate >- tridentate >- fused >- chelate 500 kg
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