Nitrogen Fixation by Manganese Complexes - Waiting for the Rush?

Area of Science:

• Organometallic Chemistry
• Homogeneous Catalysis
• Sustainable Chemistry

Background:

• Manganese is a sustainable alternative to platinum group metals in catalysis due to its abundance and low toxicity.
• Homogeneous nitrogen fixation is a key area in coordination chemistry, but manganese complexes have been underutilized.
• Manganese organometallic chemistry offers potential for developing novel catalytic systems.

Purpose of the Study:

• To systematically review manganese organometallic chemistry related to nitrogen (N₂) activation over the past 60 years.
• To identify limitations and challenges in the field.
• To outline future research directions and opportunities for manganese in N₂ activation.

Main Methods:

• Systematic literature review of manganese organometallic chemistry.
• Analysis of studies focusing on N₂ activation by manganese complexes.
• Identification of trends, challenges, and potential breakthroughs.

Main Results:

• Manganese complexes have been sporadically explored for N₂ activation over six decades.
• Several manganese-based systems show promise, but challenges remain in efficiency and scope.
• The review consolidates historical data and identifies key research gaps.

Conclusions:

• Manganese organometallic chemistry is a promising, yet underexplored, area for sustainable nitrogen fixation.
• Addressing current pitfalls can unlock significant advancements in catalysis.
• Future research should focus on developing robust and efficient manganese catalysts for N₂ activation.