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Schematic of the synthesis procedure. Top: Reaction utilized to synthesize ureidopyrimidine functionalized acrylate monomer (UPyA). 2-Isocyanatoethyl acrylate is allowed to react with 6-methylisocytosine in DMSO. Bottom: The synthesized UPy(M)A, “A”, (UPyA shown) was mixed with an n-alkyl acrylate, “B” (methyl acrylate shown), and “C” bisphenol A ethoxylate diacrylate and photopolymerized using a photoinitiator in DMSO.
