Asymmetric Synthesis of Dihydropyranones from Ynones by Sequential Copper(I)-Catalyzed Direct Aldol and Silver(I)-Catalyzed Oxy-Michael Reactions

Dr. Shi-Liang Shi, Prof. Dr. Motomu Kanai* and Prof. Dr. Masakatsu Shibasaki*

Angewandte Chemie International Edition 2012, 51, 3932–3935

DOI: 10.1002/anie.201109209