Indium-catalyzed polycyclotrimerization of diynes: a facile route to prepare regioregular hyperbranched polyarylenes?
Polymer Chemistry Pub Date: 2014-07-15 DOI: 10.1039/C4PY00859F
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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Journal Name：Polymer Chemistry
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CAS no.: 89640-58-4
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