The skeletal rearrangement as well as the hydroxy- and methoxycyclization of 1,7-enynes proceeds at room temperature with cationic gold(I) catalysts.
![Gold-catalyzed cyclizations of 1,7-enynes](https://www.iciq.org/wp-content/uploads/2014/03/Gold-catalyzed-cyclizations_eng_noticies_articles_2007_80.gif)
The skeletal rearrangement as well as the hydroxy- and methoxycyclization of 1,7-enynes proceeds at room temperature with cationic gold(I) catalysts.