Sustainable steps forward in vitamin B₁₂-catalysis

Area of Science:

• Biochemistry
• Organic Chemistry
• Sustainable Chemistry

Background:

• Vitamin B12 is a naturally occurring cobalt complex essential for biological processes.
• It acts as a cofactor for key enzymes involved in DNA synthesis, neurological function, and red blood cell formation.
• Vitamin B12 exhibits unique reactivity, forming Co-alkyl complexes that generate radicals.

Purpose of the Study:

• To review the catalytic properties of vitamin B12 as a native cobalt complex.
• To highlight emerging strategies for sustainable chemical processes utilizing vitamin B12.
• To discuss current challenges and future directions in vitamin B12-mediated chemistry.

Main Methods:

• Literature review of vitamin B12's reactivity and catalytic applications.
• Analysis of strategies employing vitamin B12 for sustainable synthesis.
• Discussion of radical generation mechanisms from Co-alkyl complexes.

Main Results:

• Vitamin B12 acts as a catalyst by forming Co-alkyl complexes that generate radicals upon activation.
• These radicals participate in reactions with SOMOphiles and electrophiles.
• Emerging strategies leverage vitamin B12's properties for greener chemical synthesis.

Conclusions:

• Vitamin B12 possesses significant catalytic potential for sustainable chemistry.
• Further research can unlock novel applications in radical-mediated reactions.
• Addressing current challenges will pave the way for wider adoption of vitamin B12 in green chemistry.