The Corey-Seebach Reagent in the 21st Century: A Review

Area of Science:

• Organic Chemistry
• Synthetic Chemistry
• Natural Product Synthesis

Background:

• The Corey-Seebach reagent is a key intermediate in organic synthesis.
• It is synthesized from aldehydes or ketones and 1,3-propane-dithiol, followed by deprotonation.
• Its utility spans the synthesis of various complex natural products.

Purpose of the Study:

• To review recent advancements (post-2006) in the application of the Corey-Seebach reagent.
• To highlight its role in the total synthesis of natural products.
• To showcase its utility in synthesizing alkaloids, terpenoids, polyketides, and heterocycles.

Main Methods:

• Literature review of organic synthesis studies published after 2006.
• Focus on total synthesis strategies employing the Corey-Seebach reagent.
• Analysis of synthetic routes for natural products and heterocycles.

Main Results:

• The Corey-Seebach reagent has been successfully utilized in the total synthesis of numerous natural products.
• Examples include alkaloids (lycoplanine A, diterpenoid alkaloids), terpenoids (bisnorditerpene, totarol), and polyketides (ambruticin J, biakamides).
• Its application extends to the synthesis of heterocycles like rodocaine and substituted pyridines.

Conclusions:

• The Corey-Seebach reagent remains a powerful and versatile tool in modern organic synthesis.
• Recent literature demonstrates its continued importance in accessing complex natural products and heterocycles.
• Its broad synthetic applicability ensures its relevance for future synthetic endeavors.