ArticleAngewandte Chemie (International ed. in English)2024
Helitwistacenes-Combining Lateral and Longitudinal Helicity Results in Solvent-Induced Inversion of Circularly Polarized Light.
Article in Angewandte Chemie (International ed. in English), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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Who cites it
8 citing papers in PubMed.
- Chiral Anthranyl Bis-sulfoxides with Modular Chiroptical Properties Controlled by an Ionic Stimulus.ACS omega · 2026Article
- Merging dynamic and static chirality in propeller-shaped carbazole oligomersRSC advances · 2026Article
- The Right Strap: The Role of Tether Position and Length in Acene Distortion.Organic letters · 2025Article
- Circular Dichroism and Multiphoton Circularly Polarized Luminescence Switching Using a Bis-perylene Diimide Macrocycle.Chemistry (Weinheim an der Bergstrasse, Germany) · 2025Article
- Controlling the Helicity and Handedness of Polyaromatics with Isobenzofuranophane.Angewandte Chemie (International ed. in English) · 2025Article
- A Bis-Perylene Diimide Macrocycle Chiroptical Switch.Angewandte Chemie (International ed. in English) · 2025Article
- Supramolecular Control of Helicene Circularly Polarized Luminescence Emitters in Molecular Solids and Bright Nanoparticles.Angewandte Chemie (International ed. in English) · 2024Article
- Helitwistacenes-Combining Lateral and Longitudinal Helicity Results in Solvent-Induced Inversion of Circularly Polarized Light.Angewandte Chemie (International ed. in English) · 2024Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
Helicity is expressed differently in ortho- and para-fused acenes-helicenes and twistacenes, respectively. While the extent of helicity is constant in helicenes, it can be tuned in twistacenes, and the handedness of flexible twistacenes is often determined by more rigid helicenes. Here, we combine helicenes with rigid twistacenes consisting of a tunable degree of twisting, forming helitwistacenes. While the X-ray structures reveal that the connection does not affect the helicity of each moiety, their electronic circular dichroism (ECD) and circularly polarized luminescence (CPL) spectra are strongly affected by the helicity of the twistacene unit, resulting in solvent-induced sign inversion. ROESY NMR and TD-DFT calculations support this observation, which is explained by differences in the relative orientation of the helicene and twistacene moieties.
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Registered trials
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