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Synthesis of substituted polymethylenes from alkyl cinnamates bearing bulky alkyl ester groups

✍ Scribed by Akikazu Matsumoto; Atsushi Horie; Takayuki Otsu

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 372 KB
Volume: 28
Category: Article
ISSN: 0014-3057
DOI: 10.1016/0014-3057(92)90178-5

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✦ Synopsis

Radical and anionic polymerizations of alkyl cinnamates (RCi) bearing bulky alkyl groups, such as isopropyl or t-butyl, were performed. Radical homopolymerization of RCi hardly occurred even in bulk at high temperature, whereas copolymerization with dialkyl fumarates, as another 1,2-disubstituted ethylene, gave a high molecular weight substituted copolymethylene. It has been shown that RCi polymerizes with s-butyllithium as an anionic initiator in tetrahydrofuran or toluene. The structures and thermal properties of the resulting polymethylenes were examined.

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