Total Synthesis of Neomarchantin A: Key Bond Constructions Performed Using Continuous Flow Methods

Area of Science:

• Organic Chemistry
• Natural Product Synthesis

Background:

• Neomarchantin A is a bisbibenzyl natural product with potential biological activities.
• Efficient synthetic routes are crucial for accessing complex natural products.

Purpose of the Study:

• To develop an efficient synthesis of neomarchantin A.
• To explore the application of continuous flow techniques and macrocyclic olefin metathesis in natural product synthesis.

Main Methods:

• Utilized continuous flow chemistry for key C-O and C-C bond formations.
• Employed catalytic macrocyclic olefin metathesis as a pivotal step in the synthesis.

Main Results:

• Successfully achieved the synthesis of neomarchantin A.
• Demonstrated the first-time use of catalytic macrocyclic olefin metathesis for a macrocyclic bisbibenzyl natural product.

Conclusions:

• Continuous flow techniques enhance key bond constructions in neomarchantin A synthesis.
• Catalytic macrocyclic olefin metathesis is a viable strategy for synthesizing macrocyclic bisbibenzyl natural products.