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2,3-bis(2-methylphenylimino)-1,4-dithiacyclohexane
Yi-Zhi Li1, Wei-Wei Liu, Yan-Jie Li
1Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, People's Republic of China.
Acta Crystallographica. Section C, Crystal Structure Communications
|November 8, 2003
Summary
Researchers synthesized a novel heterocyclic compound, a double Schiff base, using a dithiooxamide derivative and 1,2-dibromoethane. The crystal structure reveals weak C-H...pi interactions forming layered structures, crucial for understanding molecular assembly.
Area of Science:
- Organic Chemistry
- Crystallography
- Supramolecular Chemistry
Background:
- Dithiooxamide derivatives are versatile precursors in organic synthesis.
- Schiff bases are important functional groups in coordination chemistry and materials science.
- Understanding intermolecular forces is key to designing crystalline materials.
Purpose of the Study:
- To synthesize and characterize a novel N,N'-disubstituted dithiooxamide derivative.
- To investigate the crystal structure and intermolecular interactions of the synthesized compound.
- To explore the formation of layered structures mediated by weak interactions.
Main Methods:
- Chemical synthesis involving the reaction of an N,N'-disubstituted dithiooxamide derivative with 1,2-dibromoethane.
- Single-crystal X-ray diffraction to determine the molecular and crystal structure.
- Analysis of intermolecular forces, specifically C-H...pi interactions.
Main Results:
- Successful synthesis of the title compound, a heterocycle with a double Schiff base (C18H18N2S2).
- The crystal structure shows the molecule situated on a twofold axis.
- Weak C-H...pi interactions were identified as the primary intermolecular forces, leading to the formation of layers parallel to the ab plane.
Conclusions:
- The study successfully synthesized a novel heterocyclic compound with a double Schiff base.
- The crystal structure analysis elucidated the role of weak C-H...pi interactions in mediating supramolecular assembly.
- The findings contribute to the understanding of crystal engineering and the design of functional organic materials.