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Updated: May 31, 2026

Preparation of Contiguous Bisaziridines for Regioselective Ring-Opening Reactions
Published on: July 28, 2022
Bis(2,6-diisopropyl-phen-yl) sulfite
Structural analysis of a novel organic compound reveals a near-perpendicular arrangement of benzene rings. Crystal packing is dominated by zigzag chains formed via intermolecular hydrogen bonds, with disordered isopropyl groups impacting molecular conformation.
Area of Science:
- Organic Chemistry
- Crystallography
- Materials Science
Background:
- Understanding the three-dimensional structure and intermolecular interactions of organic compounds is crucial for predicting their physical and chemical properties.
- Crystal engineering aims to design materials with specific properties by controlling molecular arrangement in the solid state.
Purpose of the Study:
- To elucidate the crystal structure and molecular geometry of a novel organic compound with the chemical formula C(24)H(34)O(3)S.
- To investigate the intermolecular interactions governing crystal packing.
- To characterize the conformational flexibility indicated by disordered groups.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the precise atomic arrangement in the crystal lattice.
- Analysis of bond lengths, bond angles, and dihedral angles provided insights into molecular geometry.
- Intermolecular interactions, such as hydrogen bonds, were identified and analyzed.
Main Results:
- The crystal structure of C(24)H(34)O(3)S was determined, revealing a significant dihedral angle of 84.62(8)° between the two benzene rings.
- Intermolecular C-H⋯O hydrogen bonds were observed, leading to the formation of zigzag chains aligned along the crystallographic c axis.
- Disorder was present in the isopropyl groups, with two distinct sets of atomic positions observed with specific occupancy ratios.
Conclusions:
- The compound exhibits a highly non-planar conformation due to the large dihedral angle between its aromatic rings.
- The observed hydrogen bonding network dictates the supramolecular architecture in the solid state.
- The conformational disorder in the isopropyl groups suggests potential flexibility and implications for solid-state properties.
Related Concept Videos
Preparation and Reactions of Sulfides
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The reaction begins with transferring a proton from the acid catalyst to one of the hydroxyl groups, producing an oxonium ion.
Hydrolysis of Chlorobenzene to Phenol: Dow Process

