Amine Tris(phenolate) Ligands as a Versatile Scaffold for Early and Late Transition Metals: Synthesis and Application

Area of Science:

• Organometallic Chemistry
• Catalysis

Background:

• Amine tris-(phenolate) (tpa) ligands are crucial for stable early transition metal complexes.
• These complexes have diverse catalytic applications, including oxygen transfer and polymerization.

Purpose of the Study:

• To review the synthesis, applications, and recent advancements of early transition metal-tpa complexes.
• To explore the emerging role of late transition metal-tpa complexes in catalysis.

Main Methods:

• Literature review focusing on research post-2020.
• Analysis of steric and electronic modifications in tpa ligand synthesis.
• Examination of catalytic activities in various reactions.

Main Results:

• Tpa ligands enable fine-tuning of reactivity and selectivity in both early and late transition metal complexes.
• Expanded applications in catalysis, including chirality transfer and polymerization.
• Significant advancements in synthesis and application of early transition metal-tpa complexes.

Conclusions:

• Tpa ligands are versatile tools in transition metal chemistry.
• Continued development promises novel catalytic systems and synthetic methodologies.
• The field is rapidly evolving with increasing focus on late transition metals.