Synthesis and styrene copolymerization of novel fluoro-iodo, trifluoromethyl, and trifluoromethoxy ring-substituted isobutyl phenylcyanoacrylates

13 October 2020, Version 10
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Novel fluoro-iodo, trifluoromethyl, and trifluoromethoxy ring-substituted isobutyl phenylcyanoacrylates, RPhCH=C(CN)CO2CH2CH(CH3)2 (where R is 2-fluoro-5-iodo, 2-fluoro-6-iodo, 2-trifluoromethyl, 3-trifluoromethyl, 4-trifluoromethyl, 2-trifluoromethoxy, 3-trifluoromethoxy, 4-trifluoromethoxy) were synthesized by the piperidine catalyzed Knoevenagel condensation of ring-substituted benzaldehydes and isobutyl cyanoacetate and characterized by CHN analysis, IR, 1H and 13C NMR. The acrylates were copolymerized with styrene in solution with radical initiation (ABCN) at 70C. The compositions of the copolymers were calculated from nitrogen analysis.

Keywords

phenyl cyanoacrylates
radical copolymerization
styrene copolymers
Knoevenagel condensation products

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