Formal [3 + 2] Cycloaddition Reaction of [1,4]Oxazin-2-ones and alpha-Alkynyl Ketones via a Tandem Mukaiyama-Aldol Addition/Aza-Cope Rearrangement.
Obrecht
Daniel
D
F. Hoffmann-La Roche AG, Pharma Research, CH-4070 Basel, Switzerland.
Zumbrunn
Cornelia
C
Müller
Klaus
K