Solid-State Photoreversible Polymerization of n-Alkyl-Linked Bis-Thymines using Non-Covalent Polymer-Templating
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Procedures derived from bioinspired mechanisms are increasingly being used to create novel materials based on the principles of green chemistry. Thymine, a nucleic acid base in DNA, has the propensity to both hydrogen bond and photodimerize. Photodimerization of thymine occurs when irradiated at wavelengths of >270 nm and can be reversed by irradiation at wavelengths of <250 nm. In this investigation, n-alkyl-linked bis-thymines have been supramolecularly aligned with poly(vinyl pyrrolidone) templates by non-covalent hydrogen bonding, and photopolymerized in the solid state. Photo-depolymerization of the products was performed to complete the reversible polymerization.
2000 ◽
Vol 145
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pp. 142-146
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2007 ◽
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pp. 246-252
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1997 ◽
Vol 101
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pp. 4851-4859
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2001 ◽
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pp. 5149-5155
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2002 ◽
Vol 116
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pp. 11039-11040
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2008 ◽
Vol 112
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pp. 281-295
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