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Polymerization of 1-chloro-2-phenylacetylene by molybdenum pentachloride-based catalysts

โœ Scribed by Masuda, Toshio; Yamagata, Makoto; Higashimura, Toshinobu

Book ID
118273161
Publisher
American Chemical Society
Year
1984
Tongue
English
Weight
483 KB
Volume
17
Category
Article
ISSN
0024-9297

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## SYNOPSIS 1 -Chloro-2-@-naphthylacetylene (ClPNA) polymerized in good yields in the presence of MoC1,-based catalysts. The highest weight-average molecular weight of poly(Cl@NA) reached about 3 X lo5. T h e polymer was a yellow solid (absorption cutoff in CHC1,450 nm). It was soluble in toluene,

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Polymerization of phenylacetylenes (PAS) having various ortho-substituents were examined by using MoOCI,-n-Bu,Sn-EtOH (mole ratio 1 : 1 : 1) as catalyst. Phenylacetylenes with no or sterically small ortho-substituents did not polymerize in a living fashion. On the other hand, in the polymerization o