%0 Journal Article
%T Synthesis and Styrene Copolymerization of New Halogen and Methoxy Ring-Trisubstituted Propyl Cyanophenylpropenoates | Soto | International Journal of Chemistry | CCSE
%A Adis Hrvat
%A Alex Jagla
%A Aurimas Jackunas
%A Bridget Hofsteadter
%A Danielle Ostrovsky
%A Ellen Gardner
%A Emily Baumgartner
%A Francesca Bertoletti
%A Gregory Kharas
%A Justus Winter
%A William Schjerven
%A Yesenia Soto
%J International Journal of Chemistry
%D 2019
%I 
%R 10.5539/ijc.v11n2p60
%X New ring-trisubstituted propyl cyanophenylpropenoates, RPhCH=C(CN)CO2C3H7 (where R is 2-bromo-3-hydroxy-4-methoxy, 5-bromo-2,3-dimethoxy, 5-bromo-2,4-dimethoxy, 6-bromo-3,4-dimethoxy, 2-chloro-3,4-dimetoxy, 5-chloro-2,3-dimetoxy, 4-bromo-2,6-difluoro, 3-chloro-2,6-difluoro, 4-chloro-2,6-difluoro) were prepared by the piperidine catalyzed Knoevenagel condensation of ring-trisubstituted benzaldehydes and propyl cyanoacetate and characterized by CHN elemental analysis, IR, 1H and 13C-NMR. The propenoates formed copolymers with styrene in solution with radical initiation (ABCN) at 70ˇăC. The copolymers were characterized by nitrogen elemental analysis, IR, 1H and 13C-NMR, DSC. Decomposition of the copolymers in nitrogen (TGA) occurred in two steps, first in the 200-500oC range with residue (4.2 -8.1% wt.), which then decomposed in the 500-800oC range
%U http://www.ccsenet.org/journal/index.php/ijc/article/view/0/39892