Carotenoid synthesis: retrospect and recent progress.

Area of Science:

• Organic Chemistry
• Natural Product Synthesis
• Biochemistry

Background:

• Carotenoids are vital pigments with diverse biological functions.
• Understanding their synthesis is crucial for applications in medicine and industry.
• Significant advancements have been made in synthesizing these complex molecules.

Purpose of the Study:

• To provide a comprehensive overview of carotenoid synthesis over the last three decades.
• To highlight key total and biomimetic synthetic strategies for various carotenoids.
• To document the progress in accessing structurally diverse carotenoid compounds.

Main Methods:

• Review of published total synthesis methodologies.
• Analysis of biomimetic approaches mimicking natural carotenoid pathways.
• Discussion of synthetic routes for specific carotenoids including peridinin, fucoxanthin, and capsanthin derivatives.

Main Results:

• Detailed summary of successful total syntheses for peridinin, fucoxanthin, and halocynthiaxanthin.
• Elucidation of biomimetic total syntheses for mytiloxanthin, crassostreaxanthin B, capsanthin, capsorubin, cucurbitaxanthin A, cycloviolaxanthin, and capsanthin 3,6-epoxide.
• Demonstration of the evolution of synthetic strategies in carotenoid chemistry.

Conclusions:

• Significant progress in total and biomimetic synthesis of carotenoids has been achieved.
• These synthetic efforts provide access to valuable compounds for further research and application.
• The reviewed syntheses showcase the power of modern organic chemistry in tackling complex natural products.