ArticleAngewandte Chemie (International ed. in English)2025
Coupling Rotary Motion to Helicene Inversion within a Molecular Motor.
Article in Angewandte Chemie (International ed. in English), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Biomimetic all-metal PdScience advances · 2026Article
- Towards helical-chirality-controlled molecular motors.Chemical science · 2026Article
- Skeletal rearrangement of [4]helicenes under acidic conditions: dynamic chirality and improved properties by subsequent peripheral editing.Chemical science · 2026Article
- Two-photon Excitation of Bright Diaza[4]Helicenes for Isotropic and Circularly Polarized Emission.Chemistry (Weinheim an der Bergstrasse, Germany) · 2025Article
- Coupling Rotary Motion to Helicene Inversion within a Molecular Motor.Angewandte Chemie (International ed. in English) · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
Towards complex coupled molecular motions, the remote handedness inversion of a helicene moiety was achieved by a rotary molecular motor. The use of a specifically engineered dynamic helicene stator in a novel overcrowded-alkene second-generation molecular motor based on a fluorinated dibenzofluorene fragment allows for an unprecedented control over helicity inversion. This is achieved by the mechanical coupling of the rotation of the rotor to the helicene inversion of the stator half via a remote chirality transmission process. Thus, the unidirectional rotary motion generated upon irradiation is used to invert the dynamic stereochemistry of a helicene, leading to a 6-step cycle with eight intermediates. In this cycle, both alternation between P and M configurations of the helicene stator and dynamic thermal interconversion (paddling motion) can be achieved. In-depth computational and spectroscopic studies were performed to support the associated mechanism. The control over coupled motion and dynamic helicity offers prospects for the development of complex responsive systems.
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Registered trials
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