Mingdeng Lin, Shi-hui Wu, M. P. Yeh
Dec 1, 2011
Citations
0
Influential Citations
22
Citations
Journal
Advanced Synthesis & Catalysis
Abstract
A simple and efficient trifluoromethane- sulfonic acid-catalyzed cycloisomerization of aryl- propagylsulfonamide-tethered 2,3-epoxycyclohexan- 1-ols is described. The cyclization proceeds via tandem semi-pinacol rearrangement/alkyne-alde- hyde metathesis to afford spiropiperidines under mild reaction conditions.