1. Synthesis and Styrene Copolymerization of Novel Chloro and Fluoro Ring-Trisubstituted Propyl Cyanophenylpropenoates
- Author
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Sara M. Rocus, Jessica Bates, Maryana Stryelkina, Denny P. May, Sana A. Malik, Ashleigh L. Krider, Chloe G. Williams, Daniel T. Wood, and Gregory B. Kharas
- Subjects
chemistry.chemical_element ,02 engineering and technology ,010402 general chemistry ,021001 nanoscience & nanotechnology ,Ring (chemistry) ,01 natural sciences ,Nitrogen ,ABCN ,0104 chemical sciences ,Catalysis ,Styrene ,chemistry.chemical_compound ,chemistry ,Polymer chemistry ,Copolymer ,Knoevenagel condensation ,Piperidine ,0210 nano-technology - Abstract
Novel trisubstituted ethylenes, ring-substituted propyl 2-cyano-3-phenyl-2-propenoates, RPhCH=C(CN)CO2C3H7 (where R is 2,3,6-trichloro, 2,3,4-trifluoro, 2,3,5-trifluoro, 2,4,5-trifluoro, 2,4,6-trifluoro, 3,4,5-trifluoro) were prepared by the piperidine catalyzed Knoevenagel condensation of ring-trisubstituted benzaldehydes and propyl cyanoacetate. The ethylenes when copolymerized with styrene in solution with radical initiation (ABCN) at 70°C resulted in formation of copolymers. The composition of the copolymers was calculated from nitrogen analysis. The structures and properties were characterized by IR, 1H and 13C-NMR, GPC, DSC, and TGA.
- Published
- 2019
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