期刊
ACS MACRO LETTERS
卷 4, 期 10, 页码 1062-1066出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsmacrolett.5b00485
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资金
- Karlsruhe Institute of Technology (KIT)
- Helmholtz association via BioInterfaces (BIFTM) program
- German Research Council (DFG)
- Ministry of Science and Arts of the state of Baden-Wurttemberg
We combine supramolecular host-guest interactions of beta-cyclodextrin (CD) with light-induced DieIs-Alder reactions of 2-methoxy-6-methylbenzaldehyde (photoenol, PE) for the formation of multiblock copolymers. Via the synthesis of a new bifunctional chain transfer agent (CTA) and subsequent reversible addition-fragmentation chain transfer (RAFT) polymerization, we introduce a supramolecular recognition unit (tertbutyl phenyl) and a photoactive unit (photoenol) to a polymer chain in order to obtain an alpha,omega-functionalized polymeric center block, having orthogonal recognition units at each chain end. Multiblock copolymers are formed via the light-induced reaction of the photoenol with a maleimide-functionalized polymer chain and the supramolecular self-assembly of the tert-butyl phenyl group with the beta-CD end group of a third polymer chain. By employing the fast and efficient photoinduced Diels-Alder reaction in combination with supramolecular host-guest interactions, a novel method for macromolecular modular ligation is introduced.
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