Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 26, Issue 18, Pages 1458-1463Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200500386
Keywords
A(2) + B-3; hyperbranched; isatin; superelectrophilic reaction; synthesis
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We developed a facile approach to hyperbranched polymers by applying a superelectrophilic reaction within an A(2) + B-3 strategy. A significant reactivity difference between the intermediate and the starting material was utilized to avoid gelation in the A(2) + B-3 polymerization. A number of hyperbranched poly(arylene oxindole)s were achieved in a one-step polymerization and characterized by NMR spectroscopy and gel permeation chromatography. Moreover, further modifications at the interior and exterior of the resulting polymers were explored as well.
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