Abstract
Precise control over topologically intricate molecular architectures remains an open challenge for chemists due to their inherent structural complexity. We report a simple solvent-free strategy to selectively prepare two multi-component supramolecular crystalline systems based on the halogen bond, endowed with either an unknot topology or a Borromean-type entanglement. Real-time in situ monitoring of the solvent-free mechanochemical synthesis of these three-component halogen-bonded ionic co-crystals reveals that the choice of milling conditions leads to a switch in the supramolecular reaction trajectory, resulting in the selective formation of an open halogen-bonded network or a halogen-bonded Borromean-type assembly.
| Original language | English |
|---|---|
| Pages (from-to) | 146-154 |
| Number of pages | 9 |
| Journal | Chem |
| Volume | 7 |
| Issue number | 1 |
| Early online date | 17 Nov 2020 |
| DOIs | |
| Publication status | Published - 14 Jan 2021 |
Bibliographical note
Publisher Copyright:© 2020 Elsevier Inc.
Keywords
- ball milling
- borromean rings
- crystal engineering
- diiodoperfluoroalkanes
- halogen bond
- mechanochemistry
- polymorph
- SDG3: Good health and well-being
- SDG7: Affordable and clean energy
- SDG9: Industry, innovation, and infrastructure
- self-assembly
- solvent-free synthesis
- supramolecular chemistry
ASJC Scopus subject areas
- General Chemistry
- Biochemistry
- Environmental Chemistry
- General Chemical Engineering
- Biochemistry, medical
- Materials Chemistry
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