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  Access to Multiblock Copolymers via Supramolecular Host–Guest Chemistry and Photochemical Ligation

Hirschbiel, A. F., Konrad, W., Schulze-Sünninghausen, D., Wiedmann, S., Luy, B., Schmidt, B. V. K. J., et al. (2015). Access to Multiblock Copolymers via Supramolecular Host–Guest Chemistry and Photochemical Ligation. ACS Macro Letters, 4(10), 1062-1066. doi:10.1021/acsmacrolett.5b00485.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-79ED-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-BA45-A
Genre: Journal Article

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 Creators:
Hirschbiel, Astrid F.1, Author
Konrad, Waldemar1, Author
Schulze-Sünninghausen, David1, Author
Wiedmann, Steffen1, Author
Luy, Burkhard1, Author
Schmidt, Bernhard V. K. J.2, Author              
Barner-Kowollik, Christopher1, Author
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1external, ou_persistent22              
2Bernhard Schmidt, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2149676              

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 Abstract: We combine supramolecular host?guest interactions of ?-cyclodextrin (CD) with light-induced Diels?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 (tert-butyl phenyl) and a photoactive unit (photoenol) to a polymer chain in order to obtain an α,?-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 ?-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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 Dates: 2015-09-082015
 Publication Status: Published in print
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 Identifiers: DOI: 10.1021/acsmacrolett.5b00485
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Title: ACS Macro Letters
  Abbreviation : ACS Macro Lett.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 4 (10) Sequence Number: - Start / End Page: 1062 - 1066 Identifier: ISSN: 2161-1653
CoNE: https://pure.mpg.de/cone/journals/resource/2161-1653