Batch and Continuous Flow Total Synthesis of Cannabidiol

Area of Science:

• Organic Chemistry
• Medicinal Chemistry
• Process Chemistry

Background:

• Cannabidiol (CBD) is a significant cannabinoid with diverse therapeutic and industrial applications.
• Existing synthetic routes for CBD can be complex and lack scalability.
• Developing efficient and scalable synthetic methodologies is crucial for meeting demand.

Purpose of the Study:

• To develop a comprehensive and scalable total synthesis of cannabidiol.
• To integrate both batch and continuous flow chemistry for improved efficiency.
• To establish a versatile platform for the synthesis of diverse cannabinoid structures.

Main Methods:

• Total synthesis of cannabidiol.
• Utilizing photocatalysis to obtain enantiomerically pure monoterpene moiety from (R)-(+)-limonene.
• Adapting key reactions, including olivetolic ester synthesis and Friedel-Crafts alkylation, to continuous flow conditions.

Main Results:

• Successful integration of batch and continuous flow conditions for CBD synthesis.
• Streamlined synthesis of olivetolic acid derivatives.
• Improved yields and selectivities achieved through continuous flow adaptation.
• Demonstrated scalability and efficiency of the developed synthetic route.

Conclusions:

• The presented approach offers a scalable and efficient total synthesis of cannabidiol.
• This work provides a valuable synthetic strategy for accessing diverse cannabinoids.
• The methodology has potential applications in medicinal chemistry and industrial production of cannabinoids.