Magic methylation with methyl-containing peroxides

Area of Science:

• Organic Chemistry
• Medicinal Chemistry
• Catalysis

Background:

• Methyl groups are prevalent in natural products and pharmaceuticals.
• Late-stage C-H methylation is a highly sought-after transformation.
• Peroxide-derived methyl radicals offer an environmentally friendly approach.

Purpose of the Study:

• To review advancements in directed C-H methylation using methyl-containing peroxides.
• To summarize the utility of methyl radicals in organic synthesis.
• To highlight the significance of these methods in pharmaceutical development.

Main Methods:

• Utilizing methyl-containing peroxides as methyl radical precursors.
• Employing directed transition-metal catalysis for C-H functionalization.
• Reviewing published literature on peroxide-mediated methylation reactions.

Main Results:

• Methyl-containing peroxides are robust reagents for methyl group installation.
• Directed transition-metal catalysis enables efficient C-H methylation.
• Significant progress has been made over the last sixteen years.

Conclusions:

• Peroxide-mediated C-H methylation is a powerful synthetic tool.
• This methodology facilitates the late-stage functionalization of complex molecules.
• Continued research promises further innovations in methyl group introduction.