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Phosphine‐Functionalized Syndiotactic Polystyrenes: Synthesis and Application to Immobilization of Transition Metal Nanoparticle Catalysts.

Authors :
Jiang, Lei
Wang, Yinran
Sun, Hanyang
Fu, Tingting
Hou, Zhaomin
Guo, Fang
Source :
Chemistry - A European Journal; 11/7/2022, Vol. 28 Issue 62, p1-7, 7p
Publication Year :
2022

Abstract

The precise control of monomer sequence and stereochemistry in copolymerization is of much interest and importance for the synthesis of high performance materials, but studies toward this goal have met with only limited success to date. The coordination polymerization of diphenylphosphinostyrene (p‐StPPh2 and o‐StPPh2) and its copolymerization with styrene (St) by (C5Me4SiMe3)Sc(CH2C6H4NMe2‐o)2 have been achieved for the first time to afford a new series of phosphine functionalized syndiotactic polystyrene. By the design of the polymer structure, the copolymer of o‐StPPh2 and St (poly(o‐StPPh2‐alt‐St)‐b‐sPS) containing o‐StPPh2 and St atactic alternating copolymer block and syndiotactic polystyrene block (sPS) showed excellent thermal stability and chemical resistance. The simple combination of the triphenylphosphine and syndiotactic polystyrene realized the stable immobilization of metal nanoparticles to afford highly robust metal@poly(o‐StPPh2‐alt‐St)‐b‐sPS nanocatalysts at high temperature and various atmospheres. The Cu@poly(o‐StPPh2‐alt‐St)‐b‐sPS catalyst can serve as a highly efficient heterogeneous catalyst for the synthesis of quinoline derivatives by acceptorless dehydrogenative coupling of o‐aminobenzylalcohol with ketones. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
09476539
Volume :
28
Issue :
62
Database :
Complementary Index
Journal :
Chemistry - A European Journal
Publication Type :
Academic Journal
Accession number :
160097268
Full Text :
https://doi.org/10.1002/chem.202202113