Visible-Light-Driven Tunable Molecular Motors Based on Oxindole | Zendy

Diederik Roke | Zendy; Metin Şen | Zendy; Wojciech Danowski | Zendy; Sander J. Wezenberg | Zendy; Ben L. Feringa | Zendy

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Visible-Light-Driven Tunable Molecular Motors Based on Oxindole

Author(s) -

Diederik Roke,

Metin Şen,

Wojciech Danowski,

Sander J. Wezenberg,

Ben L. Feringa

Publication year - 2019

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/jacs.9b03237

Subject(s) - oxindole , chemistry , isomerization , knoevenagel condensation , molecular motor , thermal , photochemistry , visible spectrum , spectroscopy , nanotechnology , optoelectronics , organic chemistry , catalysis , physics , thermodynamics , materials science , quantum mechanics

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.

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