Tunable Monooxime Hydrazide-hydrazone Ligands with Potential Sensing Applications: Synthetic Challenges and Optical...

Area of Science:

• Organic synthesis
• Materials science
• Computational chemistry

Background:

• Naphthalene derivatives are crucial in materials science.
• Hydrazone compounds possess diverse chemical and optical properties.
• Developing efficient synthetic routes is key for novel material applications.

Purpose of the Study:

• To synthesize naphthalene monoxime hydrazide-hydrazones.
• To compare traditional versus innovative synthetic methods.
• To investigate the optical properties and potential applications of the synthesized compounds.

Main Methods:

• Synthesis of naphthalene monoxime hydrazide-hydrazones via traditional and N,N′-carbonyldiimidazole-mediated coupling.
• Characterization of synthesized compounds.
• Computational analysis of electronic transitions and optical properties.

Main Results:

• The N,N′-carbonyldiimidazole method proved superior to traditional synthesis.
• Synthesized compounds displayed high molar absorptivity due to extended π-systems.
• Computational studies elucidated structure-property relationships.

Conclusions:

• An efficient synthetic route for naphthalene monoxime hydrazide-hydrazones was established.
• The compounds' optical properties suggest potential as metal ion sensors.
• Computational insights guide future sensor design.