. 2023 Jul 18;28(14):5490. doi: 10.3390/molecules28145490
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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 13.
Synthesis of XLIX-a in green solvent.