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Updated: Aug 14, 2026

Synthesis of Hypervalent Iodonium Alkynyl Triflates for the Application of Generating Cyanocarbenes
Published on: September 8, 2013
Trimethyl isocyanurate and triethyl isocyanurate
V R Thalladi1, A K Katz, H L Carrell
1School of Chemistry, University of Hyderabad, India.
Trimethyl and triethyl isocyanurate crystal structures exhibit similar hydrogen-bonded networks. Both compounds form layered structures, with variations in ethyl group orientation observed in triethyl isocyanurate.
Area of Science:
- Solid-state chemistry and crystallography
- Supramolecular chemistry
Background:
- Isocyanurates are cyclic compounds with diverse applications.
- Understanding crystal packing is crucial for material properties.
Purpose of the Study:
- To elucidate the crystal structures of trimethyl isocyanurate and triethyl isocyanurate.
- To investigate the hydrogen bonding networks and molecular arrangements in these compounds.
Main Methods:
- Single-crystal X-ray diffraction analysis was employed.
- Topological analysis of hydrogen-bonded networks was performed.
Main Results:
- Both trimethyl isocyanurate (1) and triethyl isocyanurate (2) feature topologically similar C--H...O hydrogen-bonded networks.
- Compound (1) displays two symmetry-independent molecules, each forming a distinct layer structure.
- In compound (2), two ethyl groups adopt a similar orientation relative to the heterocyclic ring, while the third ethyl group is oriented oppositely.
Conclusions:
- The study reveals conserved hydrogen bonding motifs in related isocyanurate derivatives.
- Structural variations, particularly in alkyl chain orientation, influence the overall crystal packing.
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