Microwave-induced reaction of 1,3-cyclohexanedione with numerous aldehydes using bismuth iodide is performed successfully toward the synthesis of important octahydroxanthenes. A most probable mechanism is suggested to explain the formation of products.
Chavez, A., Cruz, J., Munoz, A., Yadav, R. N., Bandyopadhyay, D., & Banik, B. K. (2017). MICROWAVE-INDUCED BISMUTH TRIIODIDE-CATALYZED FACILE SYNTHESIS OF OCTAHYDROXANTHENES. Heterocyclic Letters, 7(2), 507–511.