<p>Novel trisubstituted ethylenes, alkoxy ring-substituted octyl phenylcyanoacrylates,
RPhCH=C(CN)CO<sub>2</sub>CH<sub>2</sub>(CH<sub>2</sub>)<sub>6</sub>CH<sub>3</sub><sub> </sub>(where R is 2-methoxy, 3-methoxy, 4-methoxy, 2-ethoxy, 3-ethoxy, 4-ethoxy,
4-propoxy, 4-butoxy, 4-hexyloxy) were
prepared and copolymerized with styrene. The ethylenes were synthesized by the
piperidine catalyzed Knoevenagel condensation of ring-substituted benzaldehydes
and octyl cyanoacetate, and characterized by CHN analysis, IR, <sup>1</sup>H
and <sup>13</sup>C 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.</p>
Novel alkoxy ring-substituted octyl phenylcyanoacrylates, RPhCH=C(CN)CO2CH2(CH2)6CH3 (where R is 2-methoxy, 3-methoxy, 4-methoxy, 2-ethoxy, 3-ethoxy, 4-ethoxy, 4-propoxy, 4-butoxy, 4-hexyloxy) were prepared and copolymerized with styrene. The acrylates were synthesized by the piperidine catalyzed Knoevenagel condensation of ring-substituted benzaldehydes and octyl cyanoacetate, and characterized by CHN analysis, IR, 1H and 13C NMR. All the acrylates were copolymerized with styrene in solution with radical initiation (ABCN) at 70C. The compositions of the copolymers were calculated from nitrogen analysis.
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