Masaru Matsuda, Kotaro Satoh and Masami Kamigaito 1:2-sequence-regulated radical copolymerization of naturally occurring terpenes with maleimide derivatives in fluorinated alcohol Journal of Polymer Science Part A: Polymer Chemistry 51
Naturally occurring bulky terpenes were quantitatively copolymerized with various maleimide derivatives via selective 1:2-alternating propagation governed by the penultimate effect, which resulted in 1:2-sequence regulated polymers with relatively high glass transition temperatures and optical activities. Similar petroleum-derived bulky olefins possessing α-methyl substituents were copolymerized with phenylmaleimide via preferential 1:2-alternating propagation with a slightly lower selectivity. A further decrease in the bulkiness of non-polar olefins increased the 1:1-alternating sequence.
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