Living polymerization of aryl substitute
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Jay Kunzler; Virgil Percec
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Article
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1990
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John Wiley and Sons
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English
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## Abstract The polymerization of phenylacetylene initiated by MoCl~5~ and WCl~6~ based initiators was monitored directly in the NMR sample tube and demonstrated the presence of backbiting and intramolecular cyclization reactions. It was shown that the ratio of cis to trans structural units obtaine