A metal-free coordination–insertion ring-opening polymerization of tetrahydrofuran by the central metalloid bis(pentafluorophenyl)(phenoxy)borane

Cheng Wu,Yixuan Liu,Chunsheng Xiao,Chenyang Hu,Xuan Pang,Xuesi Chen

doi:10.1016/j.cclet.2023.109163

A metal-free coordination–insertion ring-opening polymerization of tetrahydrofuran by the central metalloid bis(pentafluorophenyl)(phenoxy)borane

Cheng Wu, Yixuan Liu + Show 4 more

https://doi.org/10.1016/j.cclet.2023.109163

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Journal: Chinese Chemical Letters	Publication Date: Sep 30, 2023
Citations: 1

Affiliation: University of Science and Technology of China, Chinese Academy of Sciences, Changchun Institute of Applied Chemistry

#Isotope Labeling Analyses #Narrow Molecular Weight Distribution + Show 8 more

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Abstract

A new strategy for the metal-free coordination–insertion ring-opening polymerization of tetrahydrofuran by the central metalloid Boron has been first identified. Bis(pentafluorophenyl)(phenoxy)borane was used as a catalyst for the polymerization reaction system. And polytetrahydrofuran with high molecular weight and narrow molecular weight distribution could be obtained. The proposed mechanism was studied by MALDI-TOF, ESI-MS and O-18 isotope labeling analyses as a metal-free coordination insertion mechanism.

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