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Molecular motor-functionalized porphyrin macrocycles

Author

Listed:
  • Pieter J. Gilissen

    (Radboud University)

  • Paul B. White

    (Radboud University)

  • José Augusto Berrocal

    (University of Groningen)

  • Nicolas Vanthuyne

    (Aix Marseille Univ, CNRS, Centrale Marseille, iSm2)

  • Floris P. J. T. Rutjes

    (Radboud University)

  • Ben L. Feringa

    (University of Groningen)

  • Johannes A. A. W. Elemans

    (Radboud University)

  • Roeland J. M. Nolte

    (Radboud University)

Abstract

Molecular motors and switches change conformation under the influence of an external stimulus, e.g. light. They can be incorporated into functional systems, allowing the construction of adaptive materials and switchable catalysts. Here, we present two molecular motor-functionalized porphyrin macrocycles for future photo-switchable catalysis. They display helical, planar and point chirality, and are diastereomers, which differ in the relative orientation of the motor and macrocyclic components. Fluorescence, UV-vis, and 1H NMR experiments reveal that the motor-functionalized macrocycles can bind and thread different variants of viologen guests, including a one-side blocked polymeric one of 30 repeat units. The latter feature indicates that the motor systems can find the open end of a polymer chain, thread on it, and move along the chain to eventually bind at the viologen trap, opening possibilities for catalytic writing on single polymer chains via chemical routes.

Suggested Citation

  • Pieter J. Gilissen & Paul B. White & José Augusto Berrocal & Nicolas Vanthuyne & Floris P. J. T. Rutjes & Ben L. Feringa & Johannes A. A. W. Elemans & Roeland J. M. Nolte, 2020. "Molecular motor-functionalized porphyrin macrocycles," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-19123-y
    DOI: 10.1038/s41467-020-19123-y
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