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Updated: Jun 1, 2026

Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
Published on: July 30, 2017
4-Bromo-N-phenyl-benzamidoxime
Mihaela Cibian1, Janaina G Ferreira, Garry S Hanan
1Département de Chimie, Université de Montréal, CP 6128, Succ. Centre-ville, Montréal, Québec, Canada H3C 3J7.
Researchers synthesized a novel amidoxime compound, C(13)H(11)BrN(2)O, using imidoyl chloride and hydroxylamine. The study details its unique molecular structure and crystal packing, revealing intermolecular hydrogen bonds that form dimers.
Area of Science:
- Organic Chemistry
- Crystallography
Background:
- Amidoximes are versatile organic compounds with diverse applications.
- Understanding the synthesis and structural properties of novel amidoximes is crucial for chemical research.
Purpose of the Study:
- To synthesize and characterize a new hydroxy-amidine derivative (amidoxime).
- To elucidate the molecular structure and crystal packing of the synthesized compound.
Main Methods:
- Synthesis via addition of imidoyl chloride to hydroxylamine.
- X-ray crystallography to determine the three-dimensional structure and intermolecular interactions.
Main Results:
- The title compound, C(13)H(11)BrN(2)O, was successfully synthesized.
- Structural analysis revealed significant twisting of the benzene and phenyl rings relative to the amidoxime core (34.4° and 59.2°, respectively).
- The crystal structure is characterized by intermolecular O-H⋯N hydrogen bonds, leading to the formation of centrosymmetric dimers.
Conclusions:
- The study successfully synthesized and characterized a novel amidoxime.
- The determined crystal structure provides insights into the conformational preferences and intermolecular interactions of this class of compounds.
- The formation of hydrogen-bonded dimers influences the solid-state packing.
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