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Updated: Jun 5, 2026

Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of Phosphorus(I)
Published on: November 22, 2016
N,N'-(Oxydi-p-phenyl-ene)diphthalimide.
This study details a novel bis-imide compound, C(28)H(16)N(2)O(5), featuring phthalimide units linked by a specific bridge. Molecular structure analysis reveals unique dihedral angles and stabilizing intermolecular hydrogen bonds.
Area of Science:
- Organic Chemistry
- Crystallography
- Materials Science
Background:
- Bis-imide derivatives are important in materials science.
- Understanding molecular geometry is crucial for predicting material properties.
Purpose of the Study:
- To synthesize and characterize a novel bis-imide compound.
- To elucidate the molecular structure and intermolecular interactions.
Main Methods:
- Single-crystal X-ray diffraction was used for structural determination.
- Analysis of dihedral angles and hydrogen bonding patterns.
Main Results:
- The compound C(28)H(16)N(2)O(5) was structurally characterized.
- A significant dihedral angle of 86.1° was observed between central benzene rings.
- Dihedral angles of isoindole groups with attached benzene rings were 46.0° and 77.5°.
- Intermolecular C-H⋯O hydrogen bonds were identified, contributing to structural stability.
Conclusions:
- The synthesized bis-imide possesses a unique three-dimensional structure.
- Intermolecular hydrogen bonding plays a key role in stabilizing the crystal lattice.
- This structural insight is valuable for designing related functional organic materials.
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