1,2-Dibenzoyl-hydrazine-dimethyl-formamide (3/1)

Area of Science:

• Organic Chemistry
• Crystallography
• Supramolecular Chemistry

Background:

• Hydrazine derivatives are important in organic synthesis and medicinal chemistry.
• Microwave irradiation offers a rapid and efficient method for chemical synthesis.
• Understanding crystal structures provides insights into molecular interactions and material properties.

Purpose of the Study:

• To synthesize and characterize the crystal structure of a novel compound formed from benzoyl chloride and hydrazine hydrate.
• To investigate the intermolecular interactions, specifically hydrogen bonding, within the crystal lattice.
• To explore the utility of microwave irradiation in synthesizing such compounds.

Main Methods:

• Synthesis of the title compound (3C(14)H(12)N(2)O(2)·C(3)H(7)NO) via the reaction of benzoyl chloride with hydrazine hydrate.
• Microwave irradiation was employed to accelerate the synthesis process.
• Single-crystal X-ray diffraction was used to determine the crystal structure and analyze the asymmetric unit.

Main Results:

• The synthesis yielded the target compound, a co-crystal of 1,2-dibenzoylhydrazine and dimethylformamide.
• The asymmetric unit contains three molecules of 1,2-dibenzoylhydrazine and one molecule of dimethylformamide.
• 1,2-dibenzoylhydrazine molecules are interconnected via N-H⋯O hydrogen bonds, forming chains along the [010] direction.

Conclusions:

• The study successfully synthesized and structurally characterized a novel co-crystal.
• The identified hydrogen bonding network highlights the supramolecular assembly principles governing the crystal packing.
• Microwave-assisted synthesis provides an efficient route for obtaining such crystalline materials.