. 2023 May 25;28(11):4339. doi: 10.3390/molecules28114339
© 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/).
Scheme 3.
Substrate scope using 2a and 2c as reactants.