4.4 Article

Photoinduced Copper( I)-Catalyzed Click Chemistry by the Electron Transfer Process Using Polynuclear Aromatic Compounds

Journal

MACROMOLECULAR CHEMISTRY AND PHYSICS
Volume 215, Issue 7, Pages 662-668

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/macp.201400010

Keywords

photochemical processes; redox processes; click chemistry; polymer modification

Funding

  1. Istanbul Technical University

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Based on electron-transfer reactions of the excited states of polynuclear aromatic compounds, such as anthracene, pyrene, and phenothiazine and Cu(II), a long-wavelength photoinduced copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) click reaction is developed. Although at different rates, all the sensitizers are shown to efficiently reduce Cu(II) to Cu(I), which catalyzes the click reaction between small organic compounds. The applicability of the method for the construction of various macromolecular architectures, including telechelic polymers and block copolymers is demonstrated. Spectroscopic and chromatographic investigations reveal that successful macromolecular syntheses are achieved. image

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