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Updated: May 31, 2026

Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
Published on: July 30, 2017
3-Bromo-N'-[(2-meth-oxy-naphthalen-1-yl)methyl-idene]benzohydrazide.
1Department of Chemistry and Life Sciences, Xiangnan University, Chenzhou 423000, People's Republic of China.
This study details the molecular structure of a novel brominated organic compound, C(19)H(15)BrN(2)O(2). The research reveals its pseudo-trans conformation and intermolecular hydrogen bonding in crystal form.
Area of Science:
- Crystallography
- Organic Chemistry
- Molecular Structure
Background:
- Understanding molecular conformation is crucial in organic chemistry.
- Crystal packing influences material properties.
- Hydrogen bonding plays a key role in molecular assembly.
Purpose of the Study:
- To elucidate the three-dimensional structure of the title compound, C(19)H(15)BrN(2)O(2).
- To investigate the conformational preferences around the N-N bond.
- To characterize the intermolecular interactions in the solid state.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of bond lengths, bond angles, and torsion angles.
- Identification of hydrogen bonding networks.
Main Results:
- The molecule adopts a pseudo-trans conformation with a C-N-N=C torsion angle of 164.7°.
- A dihedral angle of 70.1° exists between the benzene and naphthyl ring systems.
- Molecules form C(4) chains via N-H⋯O hydrogen bonds along the c-axis.
Conclusions:
- The study provides precise structural data for C(19)H(15)BrN(2)O(2).
- The observed conformation and hydrogen bonding are key features of its crystal packing.
- This structural information is valuable for predicting and understanding the compound's chemical behavior.
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