Mechanochemical synthesis of mechanical bonds in M12L8 poly-[ n ]-catenanes

Using mechanochemistry by grinding TPB and ZnBr , an poly-[ ]-catenane of interlocked M12L8 nanocages is obtained in good yields (∼80%) and within 15 minutes. The mechanical bond among the icosahedral M12L8 cages in the amorphous phase has been demonstrated by single crystal XRD, powder XRD and FT-I...

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Published inDalton transactions : an international journal of inorganic chemistry Vol. 51; no. 1; pp. 53 - 58
Main Authors Martí-Rujas, Javier, Elli, Stefano, Sacchetti, Alessandro, Castiglione, Franca
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 20.12.2021
Subjects
Infrared spectroscopy
NMR spectroscopy
Single crystals
Spectrum analysis
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Summary:Using mechanochemistry by grinding TPB and ZnBr , an poly-[ ]-catenane of interlocked M12L8 nanocages is obtained in good yields (∼80%) and within 15 minutes. The mechanical bond among the icosahedral M12L8 cages in the amorphous phase has been demonstrated by single crystal XRD, powder XRD and FT-IR spectroscopy following an transformation by guest uptake of the amorphous phase. High-resolution solid-state C NMR spectroscopy gives insights into the local structure of the catenane focusing on TPB aromatic-aromatic interactions.
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ISSN:1477-9226
1477-9234
DOI:10.1039/d1dt03158a