. 2019 Jul 13;24(14):2553. doi: 10.3390/molecules24142553
© 2019 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 (http://creativecommons.org/licenses/by/4.0/).
Scheme 2.
Synthesis of 5,6-dihydroxy-flavone (DHF).