ArticleAngewandte Chemie (Weinheim an der Bergstrasse, Germany)2015
Caterpillar Track Complexes in Template-Directed Synthesis and Correlated Molecular Motion.
Article in Angewandte Chemie (Weinheim an der Bergstrasse, Germany), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Crownphyrins: Metal-Mediated Transformations of the Porphyrin-Crown Ether Hybrids.Angewandte Chemie (International ed. in English) · 2022Article
- Synchronizing Two Distinct Nano-Circular Sliding Motions in Six-Component Machinery for Double Catalysis.Angewandte Chemie (International ed. in English) · 2022Article
- Dynamics of Hydrogen Bonding in Three-Component Nanorotors.Chemistry (Weinheim an der Bergstrasse, Germany) · 2020Article
- Double Rotors with Fluxional Axles: Domino Rotation and Azide-Alkyne Huisgen Cycloaddition Catalysis.Angewandte Chemie (International ed. in English) · 2020Article
- Fluorescence-Lifetime Imaging and Super-Resolution Microscopies Shed Light on the Directed- and Self-Assembly of Functional Porphyrins onto Carbon Nanotubes and Flat Surfaces.Chemistry (Weinheim an der Bergstrasse, Germany) · 2017Article
- Internal dynamics and guest binding of a sterically overcrowded host.Chemical science · 2016Article
- A Molecular Nanotube with Three-Dimensional π-Conjugation.Angewandte Chemie (Weinheim an der Bergstrasse, Germany) · 2015Article
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Authors and funding
8 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Small alterations to the structure of a star-shaped template totally change its mode of operation. The hexapyridyl template directs the conversion of a porphyrin dimer to the cyclic hexamer, but deleting one pyridine site changes the product to the cyclic decamer, while deleting two binding sites changes the product to the cyclic octamer. This surprising switch in selectivity is explained by the formation of 2:1 caterpillar track complexes, in which two template wheels bind inside the nanoring. Caterpillar track complexes can also be prepared by binding the hexapyridyl template inside the 8- and 10-porphyrin nanorings. NMR exchange spectroscopy (EXSY) experiments show that these complexes exhibit correlated motion, in which the conrotatory rotation of the two template wheels is coupled to rotation of the nanoring track. In the case of the 10-porphyrin system, the correlated motion can be locked by binding palladium(II) dichloride between the two templates.
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