**Citation:** Averin, A.D.; Panchenko,

S.P.; Murashkina, A.V.; Fomenko, V.I.; Kuliukhina, D.S.; Malysheva, A.S.; Yakushev, A.A.; Abel, A.S.; Beletskaya, I.P. Recent Achievements in the Copper-Catalyzed Arylation of Adamantane-Containing Amines, Diand Polyamines. *Catalysts* **2023**, *13*, 831. https://doi.org/10.3390/ catal13050831

Academic Editors: Yongjun Ji, Liwen Xing and Ke Wu

Received: 31 March 2023 Revised: 23 April 2023 Accepted: 26 April 2023 Published: 1 May 2023

**Copyright:** © 2023 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 (https:// creativecommons.org/licenses/by/ 4.0/).
