. 2020 Jul 9;25(14):3147. doi: 10.3390/molecules25143147
© 2020 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Scheme 32.
Gold-catalyzed cyclization of alkynylindole.