Journal
CHEMICAL SCIENCE
Volume 3, Issue 7, Pages 2301-2306Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2sc20380d
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- Monash University Faculty of Science
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Solid-state topochemical polymerization is one way to synthesize novel macromolecular architectures with stereoregular chain structures. Topochemical reactions are attractive, green synthetic pathways in material design, since they occur in solvent-free conditions and in response to external stimuli, such ;as heat and light. For the first time, we have used the reversible [2 pi + 2 pi]-cycloaddition of a bioinspired bis-thymine monomer to topochemically synthesize a polymer. The polymer can be fully photo-depolymerized to the monomer and then reversibly and repeatedly photo-polymerized and photo-depolymerized. This is the first demonstration of complete photo-depolymerization and subsequent monomer recycling using this mechanism.
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