Synthesis and Styrene Copolymerization of Novel Trisubstituted Ethylenes: 1. Alkyl Ring-Substituted 2-Methoxyethyl Phenylcyanoacrylates

Maddy E. Ablan, Samer A. Abuelroos, Ryan C. Arthur, Sonya Balaji, Kimberly L. Burns,Ivana A. Chychula, Kayla L. Corcoran,Yangfei Deng,Yelena Gritsaeva, Ana K. Hernandez,Sara M. Rocus,William S. Schjerven,Gregory Kharas

semanticscholar(2020)

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摘要

Novel trisubstituted ethylenes, alkyl ring-substituted 2-methoxyethyl phenylcyanoacrylates, RPhCH=C(CN)CO2CH2CH2OCH3 (where R is H, 2-methyl, 3-methyl, 4-methyl, 4-ethyl, 4-propyl, 4-i-propyl, 4-butyl, 4-i-butyl, 4-t-butyl) were prepared and copolymerized with styrene. The ethylenes were synthesized by the piperidine catalyzed Knoevenagel condensation of ring-substituted benzaldehydes and 2-methoxyethyl cyanoacetate, and characterized by CHN analysis, IR, 1H and 13C NMR. All the ethylenes were copolymerized with styrene in solution with radical initiation (ABCN) at 70°C. The compositions of the copolymers were calculated from nitrogen analysis.

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