Synthesis of Functionalized Perfluorinated Porphyrins for Improved Spin Switching

Area of Science:

• Organic Chemistry
• Materials Science
• Supramolecular Chemistry

Background:

• Perfluorinated porphyrins are valuable for their unique electronic properties.
• Developing synthetic routes for tailored porphyrin structures remains a challenge.

Purpose of the Study:

• To establish a novel synthetic method for perfluorinated meso-phenylporphyrins with ortho-substituted phenyl groups.
• To explore the utility of these electron-deficient porphyrins in advanced applications.

Main Methods:

• Synthesis of an iodine-substituted perfluorinated porphyrin intermediate.
• Suzuki cross-coupling reaction with boronic acid derivatives.
• Application of the strategy to synthesize an azopyridine-substituted Ni-porphyrin.

Main Results:

• Successful synthesis of novel ortho-substituted perfluorinated meso-phenylporphyrins.
• Demonstration of high electron deficiency in the synthesized porphyrins.
• Creation of an azopyridine-substituted Ni-porphyrin exhibiting an improved ligand-driven coordination-induced spin-state switch.

Conclusions:

• The developed method provides access to a new class of electron-deficient porphyrins.
• These porphyrins hold promise for applications in model enzymes, catalysis, photodynamic therapy, and electron transfer.
• The azopyridine-substituted Ni-porphyrin showcases potential for advanced switchable materials.