. 2023 Apr 14;28(8):3459. doi: 10.3390/molecules28083459
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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 32.
Synthesis of bis-coumarins 95 in ChCl/LTADES.