Multicomponent reaction through cooperative trio catalysis incorporating enamine, Brønsted acid and metal Lewis acid catalysis: a concise route to access chromans

Chamini V. Karunaratne, Ryan G. Sarkisian, Jennifer Reeves, Yongming Deng, Kraig A. Wheeler, Hong Wang
2017 Organic and biomolecular chemistry  
Chroman formation is achieved through a tricatalytic system incorporating enamine, metal Lewis acid and Brønsted acid catalysis.
doi:10.1039/c7ob00753a pmid:28426046 fatcat:bjsmd27kqbem5imjexlegfltl4