Au-spicious! Under silver-free conditions, simple 3-silyloxy-1,5-enynes were converted into complex cyclopentenes by a gold(I)-catalyzed sequence that likely proceeds through a carbocyclization followed by a pinacol rearrangement. For the final demetalation step, isopropyl alcohol and N-iodosuccinimide are effectively utilized, and the resulting products are set up for a wealth of further reactions.
If you can't find a tool you're looking for, please click the link at the top of the page to "Go to old article view". Alternatively, view our Knowledge Base articles for additional help. Your feedback is important to us, so please let us know if you have comments or ideas for improvement.