Indium-catalyzed polycyclotrimerization of diynes: a facile route to prepare regioregular hyperbranched polyarylenes
Literature Information
Publication Date
2014-07-15
DOI
10.1039/C4PY00859F
Impact Factor
5.582
Authors
Zhe Wang, Yang Shi, Jian Wang, Lingzhi Li, Haiqiang Wu, Bicheng Yao, Jing Zhi Sun
View Original
Abstract
The first example of InCl3-catalyzed polycyclotrimerization of diynes to generate regioregular hyperbranched polymers was developed. The InCl3/2-iodophenol-catalyzed polycyclotrimerization of aromatic/aliphatic diynes in chlorobenzene readily furnished soluble 1,3,5-trisubstituted benzene-cored hyperbranched polyarylenes with high weight-averaged molecular weights (up to 37 200) in high yields (up to 87.8%). Thanks to its low cost and moisture-tolerance, this catalytic system is promising to be widely applied in preparation of regioregular functional hyperbranched polymers with unique properties.
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Polymer Chemistry
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