Copper-Promoted Tandem Three-Component Access to Quinazolin-4(H)-imines and Benzimidazo[1,2-c]quinazolines
Abstract: A copper-catalyzed three-component assembly of cyanamides, 2-cyanoarylboronic acids and amines has been developed, providing functionalized quinazolin-4(H)-imines. Subsequent access to benzimidazo[1,2-c]quinazolines is achieved building again on copper-catalysis. One pot hydrolysis of quinazolin-4(H)-imines to quinazolin-4(3H)-ones is also described. Guanidine formation, cyclization and intramolecular C−H bond amination are key features of the process fully mediated by copper.
Références
- Titre
- Copper-Promoted Tandem Three-Component Access to Quinazolin-4(H)-imines and Benzimidazo[1,2-c]quinazolines
- Type de publication
- Article de revue
- Année de publication
- 2019
- Auteurs
- Rodrigues, Romain, Tran Lam Quang, Darses Benjamin, Dauban Philippe, and Neuville Luc
- Revue
- Advanced Synthesis & Catalysis
- Volume
- 361
- Ticket
- 19
- Pagination
- 4454-4460
Soumis le 29 août 2019