Novel alkoxy ring-substituted tert-butyl phenylcyanoacrylates, RPhCH=C(CN)CO2C(CH3){3|three} ({where|exactly where} R is 2-methoxy, 3-methoxy, 4-methoxy, 2-ethoxy, 3-ethoxy, 4-ethoxy, 4-propoxy, 4-butoxy) {were|had been|have been} {prepared|ready} and copolymerized with styrene. The acrylates {were|had been|have been} synthesized by the piperidine catalyzed Knoevenagel condensation of ring-substituted benzaldehydes and tert-butyl cyanoacetate, and characterized by CHN {analysis|evaluation}, IR, 1H and 13C NMR. {All the|All of the|Each of the} acrylates {were|had been|have been} radically copolymerized with styrene in {solution|answer|remedy|resolution|option} at 70°C. The compositions {of the|from the|in the|on the|with the|of your} copolymers {were|had been|have been} calculated from nitrogen {analysis|evaluation}. 93267-04-0 web Formula of Methyl 4-bromo-5-methoxypicolinate PMID:23667820
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