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Updated: Jun 1, 2026

Preparation of Stable Bicyclic Aziridinium Ions and Their Ring-Opening for the Synthesis of Azaheterocycles
Published on: August 22, 2018
(3,5-Dinitro-1,3,5-triazinan-1-yl)methanone.
Qiao-Ling Zhang1, Xiao-Feng Qu, Jian-Long Wang
1School of Chemical Engineering and Environment, North University of China, Taiyuan, People's Republic of China.
Researchers synthesized a novel compound, C(5)H(9)N(5)O(5), using acetylation and nitration of hexamine. The study reveals the triazine ring within this compound adopts a specific chair conformation, with substituents positioned on one side.
Area of Science:
- Organic Chemistry
- Crystallography
- Molecular Structure
Background:
- Hexamine is a versatile precursor in organic synthesis.
- Understanding the conformational preferences of substituted triazine rings is crucial for predicting chemical properties and reactivity.
- Previous studies have explored various derivatives of hexamine and their structural characteristics.
Purpose of the Study:
- To synthesize and characterize a novel compound derived from hexamine.
- To elucidate the three-dimensional structure and conformational analysis of the synthesized triazine derivative.
- To investigate the impact of acetylation and nitration on the conformation of the triazine ring.
Main Methods:
- Synthesis of the title compound C(5)H(9)N(5)O(5) through acetylation and nitration of hexamine.
- X-ray crystallographic analysis to determine the precise molecular structure.
- Conformational analysis of the triazine ring system.
Main Results:
- The title compound, C(5)H(9)N(5)O(5), was successfully prepared.
- X-ray diffraction data confirmed the presence of a triazine ring within the compound.
- The triazine ring was found to adopt a chair conformation.
- All three substituent groups were observed to be oriented on the same side of the chair conformation.
Conclusions:
- The synthesis of C(5)H(9)N(5)O(5) provides a new example of a substituted triazine.
- The observed chair conformation with đồng bộ substituents is a significant structural feature.
- This finding contributes to the understanding of conformational behavior in heterocyclic chemistry.
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