. 2017 Mar 2;22(3):387. doi: 10.3390/molecules22030387
© 2017 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 9.
Synthesis route of 7-(2-oxoethoxy) coumarin.