Nickel complexes with sulphur-containing ligands as initiators of the polymerization of phenylacetylene

The polymerization reaction of phenylacetylene in the presence of Ni( ii) and Ni( iii) catalysts, i.e. [Ni(dtb) 2] (dtb = dithiobenzene), [Ni( N, N-ddtc) 2] ( N, N-ddtc = N, N-diethyldithiocarbamate), [Ni(oatp) 2] (oatp = o-aminothiophenolate), [Ni(mtb) 2] (mtb = monothiobenzoate) and (Bu 4N)[Ni(tdt...

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Bibliographic Details
Published in:Polymer (Guilford) 1990-08, Vol.31 (8), p.1568-1576
Main Authors: Cianciusi, A.M., Furlani, A., Ginestra, A.La, Russo, M.V., Pàlyi, G., Vizi-Orosz, A.
Format: Article
Language:English
Subjects:
conductivity
Ni( ii), Ni( iii) catalysts
polyphenylacetylene
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Summary:The polymerization reaction of phenylacetylene in the presence of Ni( ii) and Ni( iii) catalysts, i.e. [Ni(dtb) 2] (dtb = dithiobenzene), [Ni( N, N-ddtc) 2] ( N, N-ddtc = N, N-diethyldithiocarbamate), [Ni(oatp) 2] (oatp = o-aminothiophenolate), [Ni(mtb) 2] (mtb = monothiobenzoate) and (Bu 4N)[Ni(tdt) 2] (tdt = toluene-3,4-dithiolate), gave polyphenylacetylene (PPA) in high yields and under mild reaction conditions. The complex [Ni(mtb) 2] reacts at −40°C, leading to highly stereoregular PPA. Infra-red and nuclear magnetic resonance spectra of PPA and conductivities (upon doping with I 2 and FeCl 3) are reported and discussed in comparison with literature data.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(90)90167-W