Salen Promoted Enantioselective Nazarov Cyclizations of Activated and Unactivated Dienones

Gerri E. Hutson, Yunus E. Türkmen, and Viresh H. Rawal

 J. Am. Chem. Soc., 2013, 135 (13), pp 4988–4991 

DOI: 10.1021/ja401908m