Bidentate selenium-based chalcogen bond catalyzed cationic polymerization of p-methoxystyrene
Literature Information
Publication Date
2024-01-02
DOI
10.1039/D3CC05516G
Impact Factor
6.222
Authors
Hao Chen, Hongjun Fu, Ji Xian, Xiaobo Pan, Jincai Wu
View Original
Abstract
The application of selenium-based non-covalent bond catalysis in living cationic polymerization has rarely been reported. In this work, the cationic polymerization of p-methoxystyrene (pMOS) was performed using a bidentate selenium bond catalyst – a new water-tolerant Lewis acid catalyst. A polymer with controllable molecular weight and narrow molecular weight distribution can be obtained at room temperature, with a maximum molecular weight of 23.3 kDa. This selenium bond compound can also catalyze the controllable cationic polymerization of p-methoxy styrene under environmental conditions. By changing the monomer feeding ratio, a secondary feeding experiment and DFT analysis, it is shown that the selenium bond catalyst can induce polymer chain growth by reversibly activating dormant covalent bonds (C–OH).
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Chemical Communications
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Recommended Compounds
2-(3'-Chlorobiphenyl-3-yl)-4,6-diphenyl-1,3,5-triazine
CAS Number:
1443049-83-9
Molecular Formula:
C27H18ClN3
(3beta,22E)-Stigmasta-5,22-dien-3-yl beta-D-glucopyranoside
CAS Number:
19716-26-8
Molecular Formula:
C35H58O6
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