Visible-Light-Driven Tunable Molecular Motors Based on Oxindole

Diederik Roke, Metin Sen, Wojciech Danowski, Sander J. Wezenberg*, Ben L. Feringa

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

15 Citations (Scopus)
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Abstract

Molecular rotary motors based on oxindole which can be driven by visible light are presented. This novel class of motors can be easily synthesized via a Knoevenagel condensation, and the choice of different upper halves allows for the facile tuning of their rotational speed. The four-step rotational cycle was explored using DFT calculations, and the expected photochemical and thermal isomerization behavior was confirmed by NMR, UV/vis, and CD spectroscopy. These oxindole motors offer attractive prospects for functional materials responsive to light.

Original languageEnglish
Pages (from-to)7622-7627
Number of pages6
JournalJournal of the American Chemical Society
Volume141
Issue number18
DOIs
Publication statusPublished - 8-May-2019

Keywords

  • UNIDIRECTIONAL ROTATION
  • ROTARY MOTION
  • SPEED
  • ACCELERATION
  • MACHINES

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