Three rings in one step: a quick approach to IKD-8344

Area of Science:

• Organic Chemistry
• Medicinal Chemistry
• Synthetic Chemistry

Background:

• The natural antibiotic IKD-8344 possesses a complex structure.
• Efficient synthetic routes are crucial for accessing and studying natural products with therapeutic potential.

Purpose of the Study:

• To achieve a highly efficient and enantioselective total synthesis of the natural antibiotic IKD-8344.
• To develop a novel synthetic strategy overcoming key chemical challenges.

Main Methods:

• Convergent synthesis strategy.
• Intramolecular O-alkylation of mesylates.
• Concurrent formation of tetrahydrofuran (THF) rings from a linear polyketide precursor.

Main Results:

• Successful enantioselective total synthesis of IKD-8344.
• Demonstrated concurrent THF ring formation via O-alkylation, overcoming competing β-elimination and α-racemization reactions.
• High efficiency of the developed synthetic route.

Conclusions:

• The developed convergent route provides an efficient method for IKD-8344 synthesis.
• The strategy highlights a novel approach to concurrent THF ring formation in complex molecule synthesis.
• This synthesis facilitates further investigation of IKD-8344's biological activity.