. 2022 Jul 25;37(1):2063–2077. doi: 10.1080/14756366.2022.2103552
© 2022 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Scheme 3.
Synthesis of the final compounds 12a-l and 13a-c.