The photoredox-assisted gold-catalyzed arylative cyclization of 1,6-enynes with aryldiazonium salts gives rise to cyclization products with the opposite configuration at the alkene than that obtained by gold(I)-catalyzed alkoxycyclization. The reaction occurs under mild conditions and shows high functional group tolerance.
![](https://www.iciq.org/wp-content/uploads/2020/04/Screenshot-2020-04-06-at-09.51.20.png)