Rauhut-Currier Reaction-Inspired Intramolecular Cyclization Approach Using DBU to Access Biaryl-Fused...

Area of Science:

• Organic Chemistry
• Synthetic Chemistry

Background:

• The synthesis of complex organic molecules like biaryl-fused cycloheptatrienes is crucial for medicinal chemistry and materials science.
• Existing methods often lack efficiency, substrate scope, or require harsh conditions.

Purpose of the Study:

• To develop an efficient intramolecular DBU-catalyzed Rauhut-Currier reaction.
• To synthesize functionalized biaryl-fused cycloheptatriene derivatives.

Main Methods:

• An intramolecular DBU-catalyzed Rauhut-Currier reaction was employed.
• The reaction was optimized for substrate compatibility and yield.

Main Results:

• The described method provides access to functionalized biaryl-fused cycloheptatriene derivatives.
• The reaction consistently yields products in good to excellent yields with high diastereoselectivities.
• The process is scalable to gram-scale syntheses.

Conclusions:

• The developed DBU-catalyzed reaction is an efficient and versatile strategy for synthesizing biaryl-fused cycloheptatrienes.
• Facile postsynthetic functionalizations enhance the utility of this synthetic approach.